# Questions Asked onJanuary 19, 2009

Rank these liquids by their expected surface tension. Rank from greatest to least surface tension. 1.CH3CH2OCH3 2.CH3CH2CH2-OH 3.CH3CHOHCH2-OH 4.HO-CH2CHOHCH2-OH So as Dr. Bob mentioned to me before surface tension is how the surface molecules stick

2. ## Chem

There are three questions in particular that I am having problems with. Here they are 1. A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std)

3. ## physics

A quarterback throws the football to a stationary receiver who is 18.3 m down the field. Football is thrown at an angle of 44.9 degrees to the ground. Acceleration is 9.81 m/s2. What initial spped must the quarterback throw ball to reach receiver and what

4. ## geography

why is Washington DC. included in the southeast region?

5. ## Math

Simplify: 3x (to the -2 power) 2x(3rd power)times x(to the -2 power) times x(to the 7 power) 3x (to the negative 3 power) times (-4 power)

6. ## chemistry

Draw a lewis structure for BrO4- in which all atoms have the lowest formal changes. Indicate the values of nonzero formal charges and include lonepair electrons.

7. ## chemistry

Is citric acid covalent or ionic?

8. ## Check french work pplz

This is my french homework I have to fill in the blanks with either ai, as, a, avons, avez, and ont. In the parentheses that's what I put in the blank i was on this website with this work the other day and I finished it today and I was asking if you could

Once again i didn't get a book so im having trouble. I tried my best on the ones i answered..if i got any wrong please tell me and correct them for me please! Thanks so much :) 1. According to Jean Piaget, in what is all learning based? A. Sensorimotor

10. ## chemistry

which is more soluble in kerosene, ethanol or 1-hexanol and why? kerosene: [CH3(CH2)nCH3 where n = 10-13]. I have no idea. I looked it up online, but i couldn't find anything.

11. ## Kimpton

what is a repetitious, overwritten sentence called

12. ## college princ. of accounting II

Prepare the adjusting entries at March 31, assuming that adjusting entries are made quarterly. (Round all answers to 0 decimal places.) The equipment depreciates at \$250 per month.

14. ## student questinnaire

what are your limitations? how do you compensate for them? this is something i have never thought about before and i just don't know what my limitations are!!! i need to fill out a school form. it sounds weird but can someone please help me figuring out

15. ## organic chemistry lab

What would be the effect of raising the temperature and increasing the carrier gas flow rate on the ability to resolve two closely spaced peaks?

16. ## English - the tell tale heart

Could you please find answers to these questions? 1 what bothers the narrator about the old man? 2 how does the narrator kill his victim? 3 where does the narrator hide the corpse? 4 as the narrator talks to the police, what does he think he hears? 5 the

17. ## chemistry

I am grouping calcium chloride, citric acid , potassium iodide , sodium chloride ,and sucrose according to their properties. I put sucrose and citric acid in one group and potassium iodide , sodium chloride, and calcium chloride in another group. Is that

Write each decimal as a fraction in lowest terms. 1. 0.111... Answer: 1/9 2. 0.02 Answer: 1/50 3. 0.7272... Answer: 8/11 4. 0.012012... Answer: 4/333 ?? 5. 0.66666.... Answer: 2/3 6. 0.396 (reapeating sign over all numbers) Answer: 44/111 ??? If I got any

19. ## Pre-calculus

For the ellipse with equation 5x^2+64y^2+30x+128y-211=0, find the cooridinates of the center, foci, and vertices. Then, graph the equation. my answer is: coordinates of center: (-3,1) foci:(-11,-1) and (4.7,-1) vertices: (-11,-1) (5,-1) (-3,-1+-square root

20. ## social studies; AP US

the main reason why the United States had few foreign investments before 1890 was that a. the american people did not believe in imperialism b. congress had prohibited all loans to foreign countries c. the development of the west offered a profitable field

21. ## organic chemistry lab

A student wished to prepare ethylene gas by dehydration of ethanol at 140°C using sulfuric acid as the dehydrating agent. A low-boiling liquid was obtained instead of ethylene. What was the liquid, and how might the reaction conditions be changed to give

22. ## Economics (only freshmen)

What are the strengths and weaknesses of Nigeria's economy?

23. ## Physics

A hiker follows a route that consists of three displacement vectors A, B, and C. Vector A is along a measured trail and is 1550 meters in a direction 25 degrees north of east. The direction of Vector B is 41 degrees east of south, and the direction of

what are the major land biomes

25. ## social studies; AP US

President McKinley justified American acquisition of the Philippines primarily by emphasizing that a. the Filipinos wanted to be annexed by the United States b. the electoral success of the Republican party depended on their acquisition c. there was no

26. ## organic chemistry lab

A student wished to prepare ethylene gas by dehydration of ethanol at 140°C using sulfuric acid as the dehydrating agent. A low-boiling liquid was obtained instead of ethylene. What was the liquid, and how might the reaction conditions be changed to give

27. ## Science

Would cold-water fish species be easier to catch along the northwest coast of South America during El Nino or normal periods? and why???

28. ## Please double check...GK or Dr.Bobb22

Hi, i actually posted this up before..please double check the answers if i got them right have to hand in on Wednesday: The Chemicals are: Baking Soda- NaHC03 Calcium Chloride- CaCl2 Bromothymol Blue - (acid base indicator)

29. ## Chemistry

The density of aluminum is 2.70g/cm(cubid) and the density of chromium is 7.19 g/cm(cubid). If equal Masses (1g) of aluminum and chromium are transferred to equal columes of water in separate graduated cylinders, which graduated cylinder would have the

30. ## Physics

In a Cavendish balance apparatus suppose that M1= 1.10Kg, M2= 25.0Kg, and the rod connecting the M1 pairs is 30.0cm long. If, in each pair, M1 and M2 are 12.0cm apart center-to-center, find (a) the net force and (b) the net torque (about the rotation axis)

31. ## History (continued)

1. Which of the following is true in regards to the House of representatives? A. Terms are 2 years B. In order to run, a person must be 25 years old C. representation is based on population D. All of the above Answer: D 2. A court order allowing an

32. ## Social studies

Hi! Please help me with major question. I have CBA project now (what is it CBA you can find here: k12.wa.us/assessment/WASL/SocialStudies/HighSchool.aspx). My constitutional issue is "Can people be a property?" which is linked with movement for the African

33. ## US History

1) Which man does not belong in the same group with the others? a. Carl Schurz b. James G. Blaine c. Henry Cabot Lodge d. Albert Beveridge 2) The American record in the Philippines includes all the following, EXCEPT: a. Training Filipinos for

34. ## math

solve -[-(-k)]-(-2)(-2+k)=-k-(4k+3)

35. ## science

clay and silt together are called what?

36. ## Math

Suppose you have a lemonade stand, and when you charge \$1 per cup of lemonade you sell 50 cupes. But when you raise your price to \$2 you only sell 25 cups. Write an equation for the nuber of cups you sell as a function of the price you charge. Denote "C"

37. ## physics

a physics book has a height of 26cm, a width of 23cm, and a thickness of 3.9cm. what is the density of the physics book if it weighs 17N? the acceleration of gravity is 9.81m/s^2. answer in units of kg/m^3 i know density=mass/volume but it says to answer

what are 11 cell organelles and functions

39. ## chemistry

the ground stste energy of H- atom is -13.6 eV. the energy needed to ionise H- atom from its second excited state is 1.51 eV 3.4 eV 13.6 eV 12.1 eV

40. ## statistics

in statistics, if they say at least 5, than it means that it's x5?

two cards are dealt in succession from a standard deck of cards. find the probability that the first card is a diamond or a king. probability that the second card is red given that the first card was a heart. if two dice are rolled, what is the probability

42. ## biology

Suppose that for an organism, 2n=8. How many chromosomes do the organism's gametes contain?

43. ## math

Give an example of two events that are independent and an example of two events that are dependent.

44. ## Algebra

3a+9b=8b-a 5a-10b=4a-9b+5 What does a and b equal?

45. ## Positive Psychology

The text states that the most significant contribution positive psychology makes to the scientific study of well-being is the assessment of specific strengths. The text summarizes positive psychology as being aware that humans are both creatures and

46. ## physics

a 3.5 kg rectangular air mattress is 2.73m long, 1.1m wide, and .124m thick. what mass can it support in water befor sinking? answer in units of kg. so do i do volume times density=mass? 3.5*2.73*1.1*.124=1.303302

47. ## History (continued)

1. What is the main idea of the preamble? A. To state the purpose of the constitution B. To set limits on the authority of the federal government C. To establish the relationship of the branches of government D. To explain the reasoning behind the break

48. ## 8th grade pre algebra

i am having trouble with solving inequalitys... how do you solve t+6>-3

49. ## US History

Hi i have a question... Which of the following did not involve relations between the United States and Cuba? a) Ostend Manifesto b) Platt Amendment c) the U.S.S. Maine d) missile crisis, 1962 e) Roosevelt Corollary Didn't all of these involve relations

50. ## math

solve the system -32+3z=4 (x-2y) 4 (x-2y-z)= -36 -2 (2x+y)+2z=-12.

51. ## Math-Factoring

Hey I need help factoring 5x^4-180x^2. I'm used to factoring with three numbers, and not two. How would you do just two like this? Thanks

HOEKOM FLUKTUREER DIE WISSLKOERS?

53. ## Chemistry

Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C. Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons)

54. ## social studies; AP US

The Filipino insurrection led by the Aquinaldo was the result of a. the senate vote ratifying the Treaty of Paris ending the Spanish-American war b. the extension of American military occupation of Manila to the entire archipelago c. the anti-war and

55. ## social studies; AP US

the New Manifest Destiny of the 1890's came about because of all the following reasons EXCEPT a. the competition with European Powers b. Alfred Thayer Mahan's "The Influence of Seapower Upon History" c. Rudyard Kipling's ideas d. William Jennings Bryan's

56. ## phil

1. the roosevelt corollary was first put into effect in a. dominican republic b. hawaii c. cuba d. puerto rico i think it is A

57. ## English-Edgar Allan Poe

Hi! This question is from Poe's the Tell Tale Heart. Please help!!! The narrator often goes to great lengths to describe the time and place of his crime. how does his description of time and place contribute to the overall mood of the story?

58. ## Oral mark

how do you conclude a speech? i mean end it, ONLY end it. i know how to start it and the body but i need to know how to E N D it!!!! please?!?!

Find each product. { this means the square root sign. 1. (3+2{20)(5+3{45) 2. The length and width of the rectangle are x-5 and 2x-6 a. Write a trinomial that represents that area of the rectangle. b. What is the smallest integer value of x that will give

60. ## Algebra

I am supposed to divide (x^3+6x^2-20) by x^2+2, using long division. I know it's very difficult to type long division on the computer, but if you would be able to give me the answer, and I'd work backwords, that would be great, or a simple explanation.

61. ## social studies; AP US

The Spanish War of 1898 did the following, EXCEPT ONE a. improved relations with Germany b. ended spanish rule in the Americas c. hastened the annexation of Hawaii d. improved relations with england i think that it is B but i have no idea really

62. ## social studies; AP US

Which of the following is most opposed to the concept of imperialism? a. the Northwest Ordinance b. The Treat of Paris, 1898 c. the writings of Alfred Thayer Mahan d. dollar diplomacy e. Manifest Destiny I think that its A but im not sure

63. ## math exponential

5 e^-(t/5^2) = 1.5 e^-(t/125) = .3 e^(t/125) = 1/.3 = 3.3333 t/125 = ln 3.3333 t = 150.5 can some one please explain why it's 1/.3 and where the one comes from and where the negative sign goes. Steps 2 to 3 is what i'm talking about

64. ## ACCOUNTING

HELP WITH DISTRIBUTION OF PARTNERSHIP INCOME AND LOSS , SALARIES, INTEREST RATIOS . IM PRETTY MUCH STUCK ON THE LOSSES

65. ## history (continued)

1.Which is not a goal listed in the preamble? A. To ensure domestic tranquility B. To provide for the common defense C. To secure the blessings of liberty D. All of the above are goals listed in the preamble Answer: D 2. Mr. Daly is running short on cash

66. ## history US

Which best describes our foreign policy for the entire 19th century? a. American foreign policy frequently became entwined in the issues raised by conflicts between european powers. b. territorial acquistiions increased our overseas posessions. c. the us

67. ## science

why is the arrival time for the p-wave always earlier than the arrival of the s-wave the same seismograph station? is it because the p wave always reaches before the s- wave.

How would the seperation between the p wave and s wave arrival at Savannah, GA compare to the data from the seismograph recorded in chicago, Il. the recorded for the chicago is: CHicago: P wave arrival time: 08:57:45 pm s wave arrival time: 09:02:05 pm

69. ## Economics (only freshmen)

What are the strengths and weaknesses of Nigeria's economy? (it only says how the economoy improved and developed in the CIA website)

70. ## Science

I need an idea to show single replacement reaction and double replacement reaction. The example the teacher used was a single guy + couple dancing - Girl swithes partners. I have to be able to draw the idea....help!!

Does anyone know some harmful effects of Viruses? Also I need to know some harmful effects and beneficial uses for Fungi?

72. ## pharmacy tech

harmful or toxic reactions to normal doses of common medication are

73. ## CHEMISTRY 1C

An equilibrium constant ... A. is small when the products are favored in the reaction. B. is calculated by dividing the concentration of the reactants by the concentration of the products. C. is the same, regardless of the initial concentrations of

74. ## BEH WK 1 ckpt

A psychologist is planning to conduct a study that would examine pathological liars and the quality of their romantic relationships. You have been asked to provide the psychologist with a recommendation for which research method should be used to gather

two cards are dealt in succession from a standard deck of cards. what is the probability that the second card is red give that the first card was a heart. so i do p(R/H), then i know you go R*H/H. but how do i get the probability please explain! thanks. if

76. ## Algebra

3a+9b=8b-a 5a-10b=4a-9b+5 What does a and b equal?

77. ## algebra...urgent help

A bag soccer balls contains 8 balls with black design and 7 balls with red design with no other types of soccer balls. Coach graves reaches into the bag and randomly pulls out two soccer balls. please check my answer a) explain these events are either

This one, I am very confused on and I have no idea how to solve. Please help explain it so I can understand it. Given that the positive integers a, b, c, and d satisfy a/b < c/d < 1, arrange the following in order of increasing magnitude: b/a, d/c, bd/ac,

79. ## Short Story (suspense)

Feeling more secure, you start off in the direction of home. Past the park and the corner shop. You’re getting closer to home now. It’s still a long way, about 15 minutes to go. And then you hear it…Tap, Tap, Tap……… She shrieked as a hand came

80. ## chemistry

How are phosphate ions different from sulfate ions regarding solubility Explain your statement in terms of the concept of charge density; note that phosphorus ion and sulfate ion are essentially the same size.

81. ## math

can someone explain step by step to do math problems for to solve the system ill use an example 7x3y=-2 -7x-7x=14

82. ## biology

how does the life cycle of hatena compare to the origin of eukaryotic cells as noted in Margulis’ Endosymbiotic Theory? something about how one life form engulfs another and incorporates it, evolving until it becomes dependent on it and has created an

83. ## chemistry

I am using the melting points according to which melted first, second,and those that didn't melt within 2 minutes ; solubility in water; solubility in ethanol;and solution conductivity to group the elements.

84. ## history

1. The Filipino insurrection led by the Aquinaldo was the result of a. the senate vote ratyfing the treaty of paris ending the spanish american war b. the extension of american military occupation of manila to the entire archipelago 2. The american

85. ## math 116

Translate. Let x represent the unknown number. Two more than four times a number is the same as six. The way I would solve this would be: 6=2+4x 6-2=2+4x-2 4=4x 4/4=4x/4 1=x is this right?

86. ## bio

how does the life cycle of hatena compare to the origin of eukaryotic cells as noted in Margulis’ Endosymbiotic Theory? something about how one life form engulfs another and incorporates it, evolving until it becomes dependent on it and has created an

87. ## Algebra

If 1.2 is (less than or equal to) a (less than or equal to 5.1 and 3 (less than or equal to) b (less than or equal to 6) Then find the highest possible value for the quotient a/b. Give your answer as a decimal. Would it be 1.2/3, or 0.4. Thank you!

88. ## One more algebra!

If r>0, then for all p and q such that pq does not equal 0 and pr>qr we have a. -p > -q b. -p > q c. 1 > -q/p d. 1 < q/p e. none of these This one I do not get at all, either. Please walk me through it. Thank you!

89. ## Physics (Motion)

A ballon rises at 14m/s, a boy in the ballon throws a ball straight up at 24m/s. How much later does he catch the ball?

90. ## biology

why is the heart suited to its funtion and why is the respiratory system suited to its function

91. ## Calculus

Got a midterm worksheet. Realized how confused I am. Here are some questions: lim x^3 + 12x^2 - 5x/5x x->0 Find the indicated limit: lim 11x/absolute value x x->0+

92. ## chemistry COMPOUNDS?

A compound contains 60.0 grams carbon and 12.0 grams hydrogen 1) what is the percent of carbon in compound? 2) what is the percent of hydrogen in the compound?

93. ## Eng

Does anyone know any free online website that will grade ones essays?

94. ## History (continued)

1. In 2008, Ms. White runs against Mr. Daly for the Presidency of the united states. If 75% of people in the state of Missouri vote for Mr. Daly, he would win how many of Missouri's electoral votes? A. three-fourths (75%) B. A simple majority (51%) C. All

95. ## math

A bag soccer balls contains 8 balls with black design and 7 balls with red design with no other types of soccer balls. Coach graves reaches into the bag and randomly pulls out two soccer balls. please check my answer a) explain these events are either

96. ## social

Rome's 2 consuls are equal to what in the US?

97. ## FRENCH HELP URGENT!!

I really need to have this paragraph checked to see if there is any mistakes!! My tutor has been sick all week! Thank you! Montreal est une ville exceptionnel que vous aimeriez. Si vous aviez le temps, vous ne regretteriez pas votre decision. Montreal est

98. ## History

Could you check my paper for social studies? I was on here before it's not a test sorry for saying it was a test but it's not. Thanks for your time and if one is wrong could you please give me a link to the particular question. 1.The ----- court is the

99. ## rugby

hi I need to find out how rugby is funded and how it can be improved. evaluate rugby and suggest ways to improve. thanks

100. ## biology

explain the stucture and function of the heart and lungs and why they are good at it

101. ## History (continued)

1. Mr. Peters is upset with the way that taxpayer money is being spent in St. Louis. He writes a letter to the St. Louis Post- Dispatch that indicates his displeasure and states several ways that the budget in St. Louis could be improved. The mayer then

102. ## math

Freeport McMoRan projects that in 2010 world grain supply will be 1.8 trillion metric tons and the supply will be only 3/4 of world grain demand what will world grain demand be in 2010

103. ## religion

describe mother's teresa's agony? what are the characteristics of her " dark night?'

104. ## Math

When solving absolute value inqualities, if it's less than it's "and", if it's greater than it's "or". what about less than or equal to or greater than or equal to?

Find each product. { this means the square root sign. 1. (3+2{20)(5+3{45) 2. The length and width of the rectangle are x-5 and 2x-6 a. Write a trinomial that represents that area of the rectangle. b. What is the smallest integer value of x that will give

106. ## Law

Why are so many laws senseless?

107. ## history

1.Which best describes the US foreign relations or policies for the entire 19th cnetury a. american foreign policy frequently became entwined in the issues raised by conflicts between european powers b. the united states maintained a small military and

108. ## math

A rectangle has a perimeter of 120 cm. Write the length of the rectangle as a function of its width.

109. ## math

Evaluate 27^ -4/3 Thanks- We're stumped- missing something

110. ## social studies

3 major roads and cities in okanogan county ????????????!!!!!!!

111. ## Social Studies

What are 3 arguements Americans gave for expansion in the 1800s.

112. ## Social Studies

Why do you think George Washington is held is such high esteem? Thanks for the help:)

113. ## Science

What are 7 examples of enviromental stimuli?

114. ## History (continued)

1.The group that has the sole powerto begin impeachment hearings is A. Senate B. Supreme court C. House of representatives D. The president's cabinet Answer: C 2. All of the followig are powers of the president execpt: A. Declaring war B. Giving the state

115. ## math

Gwen sold her car on consignment for x dollars. The saleswoman's commission was 10% of the selling price and Gwen received \$6570.

116. ## Algebra

Can someone help me solve this equation?/ [SQRT(2x2 + 5x + 6)]=x

117. ## college

Suppose that it takes about 3 days for a space vehicle to travel from Earth to the moon. About how long would it take the same space vehicle traveling at the same speed to reach Pluto?

118. ## theology

what is the role of doubt in relationship to faith?

119. ## science

Why does air flow from high to low pressure?

Just out of curiousity how many electoral votes are in Missouri

121. ## Chemistry 2 Ap

can someone balance this equation for me Fe^2+ Cr2 O7^2- --> Fe^3+ + Cr^3+ Thank you!:D

122. ## english.. URGENT!!

please post some sentences with the words: postulate edgy regurgitate archetype steed opiate deplete perspective fair quest invincible flitting tenements trajectory

123. ## science

Does anyone know some harmful effects and beneficial uses for fungi?

124. ## Math 115 16

I just don't get it Simplify (-1/2) (4/3) (-6)

125. ## pre-calculus

Graph the polar equation: 2=r cos(theta + 180) 2=r(costheta cos180+sintheta sin180) 2=r(1/2costheta +pi+ pi sintheta) 2=1/2rcostheta + pi rsintheta 2=1/2x+ pi y 4=x+ pi 0= x + pi-4 how do i graph?

126. ## physical fitness or sports

Name 10 career options in the fields of physial fitness or sport. I have come of with these: -physical trainer -player -coach -refree I need help. Can someone help me to come up with the other 6. And also please check if I am corect. Thanks for help!!!

127. ## algebra

Find the missing term (x+y)squared = x squared + ____ + y squared

129. ## College Stats

the average purchase per customer is 42 with a standard deviation of 4.36. using Chebysevs theorem what percentage of people will make a purchase between 54 and 30 I got 94.7 percent but i am unsure if its the correct answer can anyone verify this for me

130. ## Anatomy

blood is this type of tissue

131. ## Biochemistry

Find the net charge of cysteine at pH 8.75 using the follwing pka values: carboxyl group has pka=1.9 amino group pka= 10.7 side chain=8.4

132. ## History

Could someone please check my work below where the time says 8:03. Thanks god Bless

133. ## math question

solve the system 3x+4y=40 y-2y=0

134. ## SOCIAL

what are the effects of the punic war in ancient rome?

135. ## english

How can you tell what kind of infinitive is: -a noun -an adjective -or a verb?

136. ## social

what was the contribution of the romans?

137. ## MATH116

What is the difference between an equation and an expression?

138. ## Math 115 9

Find the missing length of the right triangle. I have 7 and 24

139. ## math

Find two consecutive odd integers whose sum is 56.

140. ## math ln

how do i solve for t: -.50=1-e^-(t/125)^5 i got this far: ln(.5)=5ln(-t/125) t=?

141. ## social

what is the influence of the latin language

142. ## social

what led to civil war in rome?

143. ## global

how goegraphic conditions influenced the development of China?

144. ## Calculating Charge on a Polpetide

10) What is the charge on the peptide CHEMISTRY at pH 8.3?? How would you go about this?Look at the ionizable groups? Thanks, Rachel

145. ## question about french work

When I say populaire for a boy don't I have to take off the "e"! And for myself since I'm a boy to i add an "e" or don't do nothing at all to chic and mignon.

Why does air flowing down toward the Earth create high pressure?

147. ## Language Arts

Can you make a saying or somthing with this? ex Cute And Tame H O R S E S

148. ## history US

Theodore roosevelt was nominated for vice-president because a. he had campaigned energetically for the post. b. mark hanna wanted him. c. the new york bosses schemed to get rid of him. d. his conservatism would offset mckinley's liberalism.

149. ## history

did native american colonize or immigrate?

150. ## axiacollegue

in what ways do audience, purpose, tone, and structure affect the formatting of the memo and the papers

151. ## math

solve the system x+6y =24 -6x+5y =-21

152. ## spelling

5 words that end with "ant" that can be changed to "ance"

153. ## GLOBAL

why was ceasar assasinated? by whom?

154. ## math

is the point (-15, 18) on the line 5y-45=-3x? Justify your answer.

155. ## math help plz

In a set of data, the 25th percentile is 108 and the interquatile range is 32. expalin how you would find the upper quartile score. please help i don't help any idea about it....:(

what are some harmful effects of protozoans?

157. ## biology

a diagram showing longitudanal section of the villi

158. ## history

reasons for being agains southern secession???

159. ## Hrm 240 wk1 ckpt

how do large firms and small firms could utilize change management concepts to meet growing technology demands. Provide one example for a large company and one example for a small company of necessary changes resulting from these growing technology

160. ## geometry

what is a line graph?

161. ## religion

describe mother teresa's agony".

162. ## theology

how does faith differ from religion?

163. ## math question

solve the system 3x+4y=40 y-2y=0

164. ## Math

What is the mathematical significance of time? I have calculus and E=Mc2 down. It sounds really fancy but it's really "Why is Time important in Math?". Please help me D= Thank you~ ^.^