35,082 results


What are differences between Continental Drifts and Plate Tectonics? I need at last 4 for each. Please help its urgent!!!!! Thanks a bunch! Ellie

Science- urgent-review

what type of galaxy do astronomers consider to be the oldest? It's urgent because I am studying for a grade 9 exam but I don't know what this is.. please help.


1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Please this is very urgent, I have finished everything else but these r my last 2 questions that I don't know! Please help! Thanks:)

Earth science..... help urgent

hi can anyone help me? my problem is that i need to write a autobiography about the "LIFE CYCLE OF ROCKS". andf i have no idea how to start it.....plz help me....its urgent....give me some clues how to start !!!!

urgent urgent urgent

what is the chemical make up of actin and myocin

math urgent urgent urgent

perpendicular to line -2x+y=7 contains the point (-4,-2) the equation of line is

math urgent urgent urgent

x+2y=12 find intercept a circle equation x^2+y^2+4x-4y-1=0 and graph 2)find domain and range f(x)=x^2-4x-5 find vertex of f(x) =x^2+4x-21

urgent urgent urgent

A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. explain the process the muscle go through

URGENT Science question

Justin wants to be the captain of an aircraft carrier when he gets out of school. Which subjects should Justin study to help him prepare for this career? biomedical science and meteorology oceanography and paleontology chemistry and biology physics and computer science*** Am I...

urgent urgent urgent

A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. •Explain the chemical process that occurred in ...

math urgent urgent urgent

1)let f(x) be a polynomial function explian how to use the factor theorem to check if (x-c) is a factor of F(x) 2) use synthetic division to factor X^2-2x^2-9x+18 completly

SCIENCE Biology (urgent)

1.Do organisms benefit from being classified as a different species?How? 2.Importance of classifying organisms.. I;m not good in science...


Can someone please have a moment to look at my other science posts, Please and thank you :-)

English language

what could be an example of something that is urgent but is not important? and something that is important but not urgent? these questions refer to daily actions or well any actions, i have absolutely no idea how to answer that. Sure doesn't urgent and important meant almost ...


A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough horizontal surface. The coefficient of friction between the ladder and this horizontal surface is 0.40. (b) Work out and add the numerical values of ...


how do i convert 4 g/ml to kg/m^3 ?


Sometimes a patient needs additional care that his or her regular physician cannot provide. In this instance, the physician can make a referral for a patient to see another physician. What are the three types of referrals? (1 point) regular, urgent, fast normal, fast, STAT ...

Math urgent

explain how to compute the xy term of the product (3x-4y)^2? if possible with solution please.... its urgent


urgent!!!!urgent!!!!!! have to go to bruins game at 5:45whats the magical fiqures inbetween the rapping in a mummy?

Venn Diagram (URGENT)

What are 6 similarities between Canada and Haiti? 1. French Influence 2. 3. 4. 5. 6. Please someone help, this is urgent. thank you.


describe how each sequence is generated and write down the next two terms: a) 40 41 43 46 50 55 b)90 89 87 84 80 75 c)1 3 7 13 21 31 d) 2 6 12 20 30 42 PLEASE HELP its urgent!

Science - Urgent.

What is a electrostatic lifting apparatus? Please help..


How is solar energy used in space? (for what purpose?)

science urgent!

What are the organic and inorganic properties of soil, Describe.


What effect does amplitude have on velocity?

science urgent

What role does water play in erosion, weathering or deposition?

earth science - urgent

What are the differences between asteroids and meteoroids? What are the similarities?

science physics

describewhat is an importance of microscope to mankind it's urgent please help?

History reflections URGENT

HELP! Trying to find information on Michael Kaznelson author of Remembering the Soviet State: Kulak Children and Dekulakisation. This is urgent so thanks for all your help.

science .. urgent

what are some conditions on Earth that make it possible to live and survive?


What are everyday things that have salt and sugar soultions??????? plzzzzzzzzzzzzzz!!!!! help!!!!! urgent!!!!!

Science URGENT

Is there any website or any way I can get the science probe 10 check your understanding answers cause I want to check my answers?


Can you please describe three methods of determinig relative and absolute ages of a rock?? It's urgent! Thanks!

science urgent

can someone help me find a news article of mt everest? i need this to write in my journal. please help and thank you


If 5 equal pieces of 25 ohm (omega) is joined in parallel then what is the equivalent resistance of it. Is it 5 or 1.please urgent

spanish!!...urgent!...please help

how did the geography influence the migration and exploration of colombia? venezuela? i need websitres for this urgent...please help asap... :(


I am interested in doing a science project on the math and science of different snowboarding tricks and techniques. Does anyone have advice and suggestions about how to do a project like this?? Please help! Very Urgent! Well you could do a nu,ber of different things. You could...

urgent alg 1

add or subtract 2 2 (2t -8t)+ (8t + 9t) second question 3 2 3 (t +8t ) + (-3t ) please helpp its urgent i have the answer butt im not suree pleasee helpp


What are good things to buy for a 17 year old boy that are not that expensive???? this is really urgent for a part of my english project..... pleeeeeeeeeeeeeeeeeeeese help!!!!!!!




I need urgent help. Use two diagrams of amnomia molecules to indicate the inter- and intramolecular force

science- urgent

How do humans grow crops on land that would naturally be either too dry or too wet? Explain. ?

chemistery lab..urgent

hi..can someone hwlp me out here on how we can calculate the moles of H2T(phthalic acid)?? its urgent for my lab this evening 1:00pm friday

Science- Very Urgent

is it reasonable to expect that these models will change again in time? Explain. Like the bohr diagram and etc;

Courses *URGENT*

I have to complete a course selection form for school but I'm having some trouble understanding some of the courses. Can someone please help me please? Science and Technology: This is a science course provided to meet the needs of students requiring a general science course ...

science -- urgent

can you pleaseee list all the things that Earth needs to provide us with life?? like energy, carbon, and so on.. THANKS A LOT!


1. You travel 400km in 4 hours. Your______ speed is 100km/h. (1point) constant average*** instantaneous initial am i right?

Trigonometry Urgent!

I am writing a paper on the 8 trigonometric identites but can't find any information on them. Please does anyone know of any websites that would have things like their history, development, applications in ancient times, origins, etc. Please help. Urgent!!!!


Can someone help me on this? its really urgent. what is Foil Character and Background Character? please don't give me the stage meaning just fiction. thanks. its really urgent.

chemistry urgent urgent

Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?

chemistry urgent urgent

... the hiv virus that causes aids destroys the immune system in the body. classify the hiv virus and explain the statement.

Science (urgent)

Hi I really need to know this I've asked a couple times but haven't gotten an answer yet. In the reaction X + Y ® Z, Z is the A) substrate. B) product. C) enzyme. D) carbon molecule.

Science urgent

A.) Show how vertical multiplication can be used to do a charge balance if Zn2+ combines with Cl- b.) Write the chemical formula name for the compound that would be formed

urgent urgent algebra

find the composite function fog f(X) = 1/X-5,g(x)-6/x question 2 find inverse, domain range and asymatotes of each function f(x)=3+e^4-x can some one help me please been stuck on these for 2 days need help solving thank you


fatima bought 1200 eggs at rs.16 a dozen. At what price per hundred must she sell the eggs so as to earn a profit of 15%. plz its urgent very very urgent try to solve soon.....

Trigonometry Paper Urgent!!!

I am writing a paper on the 8 trigonometric identites but can't find any information on them. Please does anyone know of any websites that would have things like their history, development, applications in ancient times, origins, etc. Please help. Urgent!!!!

urgent urgent algebra / precalculas

1. Given a function,H(x)explain how to find the components f(X)AND g(x) such that f(g(x)) = H(x) 2. let H(x)=(2x+5)^4 find the function f and , so that f(g(X))=H(x)


I NEED HELP!!! this is urgent!!! Human-Environmental Interactions: how did the people in Khartoum modify the environment? how is the people in khartoum being influence by the physical landscape/environment? sorry my grammar sucks i have other questions but i really extremely ...

TO DrBob222 or any science helper

identify the following formulas as acids, bases or salts: HCH3COO NaCL H2CO3 C6H8)7 Mg(OH) NaOH KBr Sr(OH)2 HNO3 please help really urgent :) thanks :)

Science URGENT

Marquez is in the ocean on his surfboard. While waiting for the perfect ride, he notices that waves pass him about every 4 s. What is the frequency of the waves? A. 0.75 Hz B. 0.5 Hz C. 0.25 Hz D. 0.2 Hz


So I'm in 7 grade and doing a science project. I have a question: What does it mean when it says: RESEARCH? I am required to have this on my board. Does it mean what I looked up to help me on this project? Also, what does it mean when it says: DATA? Do I just summarize what ...


On my homework there's a diagram of a flying bird with the allele of aa and then there's an arrow pointing to the land with 3 birds on the ground with the alleles AA. What would the allele frequency of A change from? A)1 to .75 B)0 to .25 C)0 to .75 D)1 to .25


urgent- A 2200kg truck accelerates at 15m/s2(squared). What is the net force on the truck? What is the acceleration of the truck?

Science ecosystems

Paper Glass Aluminum Wooden ruler Sand Steak Pork chops Salad Bread Hair Cotton fabric Wool Cheddar cheese Can you tell why ? It is urgent !


8. Chromosome pairs contain different versions of genes, which are called __________________. (1 point) is it base? is it dna? is it alleles? help asap!!!??

Science URGENT help please

Piano movers hoist a 200 kg piano 10 m high in 30 s using a rope and simple pulley. What is their power output? (Points : 1) 70 W 700 W 7,000 W 6 × 10^5 W

English (urgent)

can you give me 4 examples of informative texts..or websites where can I look for informative texts--4 paragraph informative texts...(i need it now)really urgent...please...

Science, Urgent!

Polaris is also known as the North Star. Atares has the same apperent magnatude as Polaris. Explain how this can be given that the H-R diagram places it in a different size and luminosity category?

Science ...Urgent plz

Describe, compare and contrast INDUCTION and DEDUCTION as methods of science – using examples where appropriate. Identity and solve a problem using both induction and deduction. Where appropriate illustrated why and how one would use experimentation/ “cycle of proof” to ...


how can i prepare this solution? Dissolve 24.82g of sodium thiosulphate in each cubic decimeter of solution to make astock of 0.1M. Dilute this solution 20-fold. URGENT PLEASE!!!!!!!!!!!!!!!


How are well developed soils similar to young soils? How are they different? Please help... i don't knoiw anything about it. pleae don't ask me to refer to my book... i don't have it with me...i googled it but i don't get any specific answer....plz help

Science ecosystems

Paper Glass Aluminum Wooden ruler Sand Steak Pork chops Salad Bread Hair Cotton fabric Wool Cheddar cheese Can you tell why ? It is urgent ! Are they. Biotic or abiotic

Ancient History URGENT Akhenaten

HI Are there any good journal articles on Akhenatens personal aims? What he hoped to achieve. So far all I have is one sentance in a book saying he wanted to do away with the power of the priests of Amun. This is really urgent. My state library is offline and not responding so...

Science 8A

Umm, can someone give me an example of a stable system? Also, how were you able to determine whether or not this system is stable? Please help! Urgent!

urgent urgent algebra / precalculas

rewrite each in exponential expression as a logarithmic expression log, x=4 log 5=2 log b=x

earth science urgent

in the continental United States, what happens to rain that falls west of the Great Continenetal Divide? Rain that falls east?

Science (urgent)

Suppose 13.7kJ of heat are removed from 33.5g liquid sample of ethanol at 26.8^oC. When all this heatis removed from the substance, at what temperature and in what states will you find the substance?


Would you agree that it is valuable for a nation to have a citizenry that is reasonably well versed in science? Give reasons for your answer. Would you say this need has become especially urgent in the last two decades? Why or why not? Evaluate

Science quick question urgent check my answer

bacterial structures which could survive unfavorable conditions are called? Spores Flagella Cysts Granuless My answer: spores?

Urgent- Science

Dalton theorized that matter is made of tiny, indivisible particles called atoms. In what way did the theories of each of these scientists support or differ from Dalton’s theory? K/U (a) J. J. Thomson (b) Ernest Rutherford (c) James Chadwick

urgent urgent algebra

rewrite each in exponential expression as a logarithmic expression a)log,x=4 b)log 5=2 c)log ,8=x

History (URGENT)

What is the History of Haiti? I need brief and main points stating the history of Haiti. Because I have to talk about it briefly in my Travel Tourism commercial for an assignment. I'm having trouble getting the main points. Please help, this is urgent. THANK YOU.

AP Environmental Science (URGENT)

Strontium-90 is a radioactive waste product from nuclear reactors. It has a half-life of 29 years. How many years will it take for a quantity of strontium-90 to decay to 1/16 (one-sixteenth) of its original mass?

Earth Science to Ms.Sue (urgent )

18.   The Cenozoic Era is also referred to as the  A. Age of Dinosaurs. B. Age of Mammals. C. Age of Fish. D. First Era. B???

calculus...plz ans urgent

Find the dimensions of the right circular cylinder of greatest volume which can be inscribe in a right circular cone with radius of 5 inches and a hieght of 12 inches(hint:use similar triangle property).also draw a label diagram....plz answer its too urgent


Can ANYONE please help me by going to either the very bottom of this page or the top of the next and click on "English-URGENT-HELP NEEDED!"? I really need some help on that one and I'm afraid no one will find it and I'll have to keep posting it over and over. THANK-YOU ...


What would the application be to my experiment which was "We dig through soil and check for inorganic and organic matter in the soil and look for natural things in the soil(ex; beans,feather,rocks,sticks,and grass)" Please I need your help URGENT! ! !

Science Urgent

i know i post this question before but i really need help on this question which have a higher value, iron-containing minerals or feldspars? Why? please help this is my last question i need to answer

Venus (URGENT)

Okay, i'm doing this Planetary tourism brochure assignment. I have to make a brochure about the planet. What are some special natural features and attractions on Venus. (special moutains, craters, canyons, surface spots.) Be creative in your descriptions, don't list facts. How...


Would you agree that it is valuable for a nation to have a citizenry that is reasonably well versed in science? Give reasons for your answer. Would you say this need has become especially urgent in the last two decades? Why or why not? Evaluate Answer

science urgent

how does Nacl use electrons to make a bond. (ionic compound) how does water use electons to make a bond (covalent compund)


can some one tell does composites produce a sulfuric acid when it erupts or does any volcanoes produce sulfuric acid please help urgent

Science Help Urgent!!!!!

A particular neutral uranium atom has 92 protons, 143 neutrons, and an atomic mass of 235. How many electons does the atom have? a. 92 b. 143 c. 235 d. 337 Is the answer A?

chemistry urgent urgent

Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion?

Science URGENT!

I relly need help on these questions please help me :) 1. would karyotypes from the same family look similar? Explain. 2. Provide one reason as to why it would be useful to compare karyotypes of family members. 3.

Socials Studies *URGENT*

Research Territory, Food, Shelter, Transportation and Effect of European contact for Ojibwa, Assiniboin, Cree, Chipewyan, Inuit. Please help this is URGENT. I can't seem to find "Effects of European contact" for any of the groups. Although I don't quite understand what it ...


Which answer explains why there isn’t a hyphen between well and behaved in the following sentence? The students were so well behaved that Ms. Irvin dismissed them early. (1 point) The words well and behaved don’t end in -ly. The words well and behaved are on the same line...

Urgent Science~!

Carla applied a force of 35 N to a wheelbarrow full of bricks and moved it 2.5 m. Which of the following can be determined from this information? The wheelbarrow supplied 87.5 J of work. The wheelbarrow has a mechanical advantage of 14.*** The wheelbarrow is 7 percent ...

Urgent Science Question!

A 921kg sports car is moving rightward with a speed of 29.0m/s. The driver suddenly slams on the brakes, causing a 8347N resistive net force and the car skids to a stop. Determine the time it takes to stop the car.


i need to solve this : 1. we should show the chemical structure of oligosaccharide which contains 2 galactoses and 1 saccharose. 2. compare the difference in physical features og dicarboxylic acids and glucose beta chain 3. determine the calorific value of 5g saccharose please...


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