1. science
    Name the parts of the flower
  2. science
    Name all type of machine
  3. science
    Which of the following shows complex machine. A.truck,sewing machine B.broom, screw C.wheel barrow ,broom D.shovel, broom
  4. science
    A body was moving with a velocity 60km/hour. It is brought to rest by applying a force of 200newton.Find the mass of body in5sec
  5. Science Help
    Can someone give a short summary of the difference between Mitosis and meiosis? I can't tell the difference.
  6. science
    The ionization energies for the removal of the first electrons in Silicon 780,Phosphorous 1060,Sulphur 1005,Chlorine 1225.
  7. Science
    Why are molecular models important in the understanding of molecules? (Select all that apply.) A. They can offer a perfect visual image of the compound. B. They provide a visual of arrangement of atoms, bonds, and valence electrons in the compound. C. They can identify the ...
  8. Science
    Review the information. In Compound A, Element W has an electronegativity of 2.8, and Element X has an electronegativity of 2.5. In Compound B, Element Y has an electronegativity of 2.0, and Element Z has an electronegativity of 3.8. Which statement correctly identifies the ...
  9. science
    I need a reason the land forms canyons and volcanoes are similar thank you
  10. Science
    A pelican flying drops a fish from a height of 10.1m. The fish travels 8.5m horizontally before hitting the ground. What was the pelican's speed?
  11. pol science
    True or False: "Framing" an issue (by the news media, for example) means giving the issue a particular slant.
  12. Science Help
    I am very confused on what I am supposed to do. I have to make a powerpoint about all the steps of mitosis and meiosis in order and explain how they replace old or broken cells. I don't know the steps or if there are four steps or five. Please help!
  13. Science
    Which of the following body systems does the immune system rely on to provide the first line of defense against pathogens. A. Integumentary system B. Nervous system C. circulatory system D. endocrine system I think it is C
  14. Science
    silicon sodium krypton potassium which element has the LEAST metallic character. A) silicon B) sodium C) krypton D) potassium
  15. Science
    Does anyone know the answer to the science quiz Energy Unit Test for lesson 12 unit 3? please help...
  16. Computer Architecture
    home / study / engineering / computer science / computer science questions and answers / 4.7 problems in this exercise assume that the logic blocks used to implement a processor’s ... Question: 4.7 Problems in this exercise assume that the logic blocks used to implement a ...
  17. science
    which of the following describe radio waves. Along wavelength with high frequency, b long wave length with short frequencies or low wave length with low frequencies
  18. Science
    Which of the following best describes the particles in potato chips and lemonade? The particles are able to flow in both. The particles are locked in position in both. The particles are locked in position in lemonade and able to flow in potato chips. The particles are locked ...
  19. Science
    Three people hiked to the top of the hill represented by the following topographic map. Each hiker started at the same elevation but at different locations around the hill. Use this map for questions 4 - 6. (All of them are at a elevation of 180 meters and the top is 264 ...
  20. Science
    How does dilution of a substance effects the endpoint of tritation? Like if you dilute a 50 mL of .5 M acid to a 100 mL concentrated .5 M acid, what would be the endpoint? Would it be twice the ending since you need more moles or the same, since you are only adding nonreactive...
  21. science
    A powerpoint about four landforms
  22. Science
    1. what is a single replacement reaction A. A reaction in which two or more substances react to form a single substance*** B. A reaction in which one element takes place the place of another element in a compound. C. A reaction in which a compound breaks down into two or more ...
  23. Physical Science
    Hi! Thanks for checking my question out! ____ 1. Methane, CH4, burns in oxygen gas to form water and carbon dioxide. What is the correct balanced chemical equation for this reaction? (1 point) a) CH4 + O --> H2O + CO2 b) CH4 + 4O --> 2H2O + CO2 c) CH4 + O2 --> H2O + ...
  24. science
    At room temperature, 20° C, water (H2O) is a liquid and oxygen (O2) is a gas. Based on kinetic molecular theory, which answer best explains the states of the two fluids? aThe particles in the liquid have greater kinetic energy than the particles in the gas. bThe particles in ...
  25. science
    When 9.6 grams of NaBr are dissolved in enough water to create a 165-gram solution, what is the solution's concentration, expressed as a percent by mass? 4.8% NaBr 5.5% NaBr 5.8% NaBr 6.2% NaBr
  26. science
    1. The breaking down or disintegration of substances such as rocks and minerals by physical, chemical, or biological processes is called- A Erosion B Weathering*** C Climate D Deposition 2. When particles carried by water, ice, or wind are dropped in another location it is ...
    When 9.6 grams of NaBr are dissolved in enough water to create a 165-gram solution, what is the solution's concentration, expressed as a percent by mass? 4.8% NaBr 5.5% NaBr 5.8% NaBr 6.2% NaBr
  28. science
    When 9.6 grams of NaBr are dissolved in enough water to create a 165-gram solution, what is the solution's concentration, expressed as a percent by mass? 4.8% NaBr 5.5% NaBr 5.8% NaBr 6.2% NaBr
  29. Science
    If a substance is a mineral, how could you identify what type of mineral it is? help me!!
  30. Science
    Which of the following functions like a fulcrum in a lever? A:tendons connecting a muscle to a bone at a joint. B:ligaments connecting bones at a joint. C:two muscles working as a pair to move a joint. D: two bones meeting at a joint. I think the answer is B. Thank you.
  31. science
    as magma cool,it forms ? rock by the process of ?.
  32. Science
    Which of the following statements describes the conservation of a natural resource? A. A timber company only cuts some trees down and replaces them with new trees. B. A solar energy company harvests energy from sunlight. C. A timber company cuts down all of the trees on a ...
  33. English
    What does "interactive effect" mean (in science)? I am a bit confused with this phrase, but how I interpreted it is that it involves examining the effects of two independent variables on a dependent variable. For instance, examining the effect of different percent strengths of...
  34. Science
    Which statements show how a chemical bond is formed? (Select all that apply.) a. The valance electrons of an atom are emitted from an atom’s orbital. b. The valence electrons of a metal transfer to the valence shell of a nonmetal to stabilize both atoms. c. The valence ...
  35. Environmental Science
    Need a tutor that can help me with an online assignment
  36. Science
    Kawaii~chan needs help with Science can someone help kawaii~chan 2 Witch term refers to the diffusion of the water through a membrane A Osmosis B Engulifing C active transport D Facilitated
  37. Science
    Kawaii~chan needs help with Science can someone help kawaii~chan 1 What happens in the phloem A Water moves up from roots B Food moves down from leaves C Food moves up from roots D Water moves down to roots
  38. Science
    a. Draw the structural formula for a hydrogen molecule (H2) and an oxygen molecule (O2). Remember that each line represents an electron pair being shared.
  39. science
    the seperation between hydrogen and chlorine atoms in the hydrogen chloride molecule is about 0.13 mm. the distance of center of mass of HCL molecule from hydrogen is
  40. Science
    i need a bit of help finding out how to do this problem. just tell me how and ill take it from there. Q.A compound containing carbon, hydrogen, and Oxygen is found to be 40% carbon and 6.7% hydrogen by mass. the molar mass of this compound is between 115 g / mol. determine the...
  41. Discrete Mathematics
    Students at Apollo Elementary School receive ribbons at the end of each year at a school-wide awards ceremony. This year 120 students receive gold stars for perfect attendance, 180 receive certificates for participating in the science fair, and 80 students receive blue ribbons...
  42. Science 9
    The energy each organism obtains from another organism? Food or is it chemical energy
  43. science
    A uniform force of 30N acts on a mass 2.5kg initially at rest for 5seconds then it withdrawn and a retarding force F now acted on the mass in the direction of the motion to reduce its velocity to 12 m/s.( calculate the momentum of mass before the retarding force starts to cut ...
  44. Math
    To help raise funding for attending a science competition out of town, John and his three friends sell candies in their neighborhood. The average of each person’s sale is $200. John’s sale is 1/3 of Steve’s sale, Steve’s sale is 1/4 of Paul’s sale, and Charlie's’ ...
  45. Science. Might Be eays for you, i dont know
    What is gravity? How does gravity effect weight? How do people take advantage of gravity?
  46. Science
    Which type of radiation emits particles of helium nuclei? alpha radiation beta radiation induced radiation gamma radiation I think a or d
  47. Science
    What is the raw materials of metamorphic rocks?
  48. science
    which of the following children's playground equipment can be used to model and explain the movement of matter in the biosphere? (1 point) Slide Merry Go Round Swing Seesaw
  49. Science
    How much sugar can be dissolved in 250g of water is heated to 80°c?
  50. Physical Science
    Describe/draw the process and steps of an electron emitting light.
  51. Writing
    write an annotated bibliography on Franco, L. M., Bennett, S., & Kanfer, R. (2002). Health sector reform and public sector health worker motivation: a conceptual framework. Social Science & Medicine,54(8), 1255-1266
  52. Science HELP
    Although the Amazon Basin receives more than 80 inches of rain per year, South America also has the driest place on Earth, known as A. Death Valley. B. Gobi Desert. C. Atacama Desert. D. the Caribbean.
  53. science
    If ozone mixing ratios are 0.24 ppmv and ROG mixing ratios are 1.7 ppmC, what is the best an most effective regulatory method of reducing ozone if only the effects of NOx(g)and ROGs on ozone are considered?
  54. science
    Why are the coldest temperatures at the 50 km height from the surface of the Earth, occur generally at tropical tropopause?
  55. Science // Help
    How did planetsmals form planets? They broke apart into smaller chunks. They collided and stuck together They cooled and pulled ice together They began to rotate If anyone took the assessment please help x
  56. Science
    Rates of soil erosion are ________ than they were before humans appeared? A.) about the same B.) faster * C.) slower
  57. Science
    A good business letter should A)Be printed and mailed B)Be professional and polite C)Demand actions from people in power D)Never be sent to people who are not interested in the topic. My answer B
  58. Science Please Help
    What are the similarities of the formation, appearance, and location of valleys, canyons, plains, and volcanoes?
  59. Science
    To create less waste in the first place is to a. reduce (?) b. reuse (?) c. recycle d. incinerate Hi. So, for this question, i completely understand what it's asking but i can't figure out which one it would be. Incinerate means to burn waste, but that wouldn't mean less waste...
  60. science
    how does a grassland follow conservation of mass
  61. Science
    Explain how osmosis across the membrane affects the size of the egg.
  62. Physical Science ?
    1. Cooking requires continuous addition of energy to the chemical reactions that are taking place. The chemical reactions involved in cooking can be described as _____. 2. Measuring how quickly a reactant disappears is one way to measure the _____ of the reaction. 3. A chunk ...
  63. Science
    I need an acrostic poem for the word waves.
  64. Science
    What kind of substance does the following, reflects light, warms up in my hand, flattens out if hit with a hammer, conducts electricity? 1)nonmetal 2)metal 3)metalloid I think #3
  65. Science Please Help
    What are the similarities and differences of valleys, canyons, plains, and volcanoes?
  66. science
    enzymes are important because they A contain water B speeds up chemical reactions C contain genetic material D helps the cell maintain its shape
  67. Science
    4: Which of the following is true of an object in a circular motion at a constant speed? A: The net force on the object is zero B: The object is not accelerating as the speed of the object remains the same C:the object is accelerating as the direction of the object is changing...
  68. Science
    Which of the following statements best describes the characteristics of a hypothesis,one of the steps of the scientific method? I think it is a scientific inquiry that cannot be tested.
  69. home science-garment construction
    describe how to attach a lace on the lower edge of a skirt using an overlaid seam
  70. Science
    A metal from group 1 and a nonmemtal from group 17 are A.not likely to bond B. Likely to form a covalent bond C. Likely to form a ionic bond** D. Likely to form a metalloid I think it's c am I right?
  71. science
    Which of these is an example of a chemical reaction that occurs at a very fast rate? A: Rotting wood. B: An explosion. C: Photosynthesis. D: Iron rusting. I personally think it's A, but I'm not completely sure of my answer, which is why I referred to posting this question.
  72. Science
    Give one example of a question that science would not be able to test. Then, explain how it could be changed into a testable question.
  73. science
    What caues acid rain
  74. History
    Which accurately describe ideological differences between Catholicism and humanism during the Renaissance? (Select all that apply.) a. Catholicism promoted the individual as the center of existence, whereas humanism promoted God as the center of existence. b. Catholicism ...
  75. History
    How did humanist philosophy affect people’s perceptions during the Renaissance? a. People began to question government and the hereditary rule of monarchs. b. Humanist philosophy caused people to favor superstition over science and reason. c. Humanist philosophy altered ...
  76. science
    enzymes are important because they _____
  77. Science
    A_______________ is a group of similar cells that perform a specific function in and organism ___________ are nerves cells that carry response information to muscles and organs Carbon dioxide and_________ are outputs of cellular respiration ________________Is essential to ...
  78. Science, Please help, due very soon!!!
    Describe how you would prepare the following two solutions. Be sure to include the type of glassware which you would use and as much detail as necessary for someone to actually prepare the solution using good laboratory technique. • 250 mLs of a 5% NaCl (w/v) from solid NaCl...
  79. Science
    Contrast mitochondria and chloroplasts. Please. Thanks.
  80. Science
    PLEASE HELP ITS URGENT contact lenses improve your lives. contact lenses are example of an______? A.skeptical B.experiment C.invention D.evidence E.inference F.prototype G.biased H.technology I.hypothesis
  81. Environmental Science
    1. Decibel is a measurement of the amount of pollution (True or False) 2. Non-Point-Source pollution can be traced to one specific source (True or False) 3. Point-Source pollution is pollution that comes from identifiable locations. (True or False) 4. Burning fossil fuels ...
  82. science
    Which molecule, or process, should be targeted by the new anti-cancer drugs under development to treat this type of leukemia? Type is T-Cell-Prolymphocytic-Leukema (T-PLL) Please help. Thank you
  83. Science
    How long will it take a shell fired from a cliff at an initial velocity of 800m/s at an angle 30 degrees below the horizontal to reach the ground 150m below?
  84. Science
    Which of following is not an igneous rock. Pumice Obsidion Or limestone
  86. science
    tissuis are grouped together to form which type of structure?
  87. science
    what do you call a group of organs working together to perform a specific function?
  88. Sensory Science
    What are the pros and cons to using a sensory panel over an analytical measurement to evaluate the texture of a product?
  89. Science
    Which of the following explains why water is limited resource 1:water is present on earth in a fixed amount that does not change 2:water is degrading slowly with time 3:only water not present in oceans is available for living things to use 4:once it ends up as groundwater ...
  90. Science I need a teacher's help
    Why are capillaries and not arteries or veins found in the alveoli, nephrons, and villi. A. vessels must be small so that very little blood enters these tissues B. vessels must be narrow so that only very small molecules can reach these tissues C. vessel walls must be thin to ...
  91. Science
    Milk of magnesia has the chemical formula Mg(OH)2. what is the mass of 3.2 moles of milk of magnesia? The molar mass of magnesium is 24.3 grams per mole. The molar mass of hydrogen is 1.0 grams per mole. The molar mass of oxygen is 16.0 grams per mole. A. 132.2 g B. 135.4 g C...
  92. Science
    Two people are pushing a couch from opposite sides. One person is pushing to the right with a force of 3 N. The other person is pushing to left with a force of 4 N. Which of the following best describes the movement of the couch? A) The couch will move to the left with a force...
  93. Science
    A negatively charged metal ball of negligible mass is separated from a negatively charged rectangular block (assume the charge cannot escape) by an initial linear distance ‘d’. On the other side, the metal ball sits at the start of a semicircular loop of radius’R’, ...
  94. Science
    1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be * 3 points Captionless Image A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red. B Barnard’s...
  95. Science
    1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be * 3 points Captionless Image A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red. B Barnard’s...
  96. Science, Chemistry
    A 25.0 mL sample of a 0.0600 M solution of aqueous trimethylamine is titrated with a 0.0750 M solution of HCl. Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pKb of (CH3)3N = 4.19 at 25°C. I already calculated pH of the solution after ...
  97. Data Science Visyulaization
    Finish the visualization part
  98. computer science
    If string str1 = "Florida" and String str2 = "Gators" then what is the value of str1 + str2? A. Florida B. Florida Gators C. Gators D. FloridaGators E. Florida, Gators if string str = "supercalifragilisticexpialidocious", then what is the value of the str.substring (10,14); A...
  99. university of png_ science
    How far apart are an object and an image formed by a 75.0cm focal length converging lens if the image is 2.5x larger than the object and is real. Please, help me.
  100. science
    Three forces of magnitude 6N,6N,√72N act at a corner of a cube along three sides .resultant of the force is a)12N along on b)18N along oa c)18N along of d)12N along oe
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