Ques:Answer the following question given this paragraph: Under the direction of osteocytes, osteoblasts continuously build up bone, while osteoclasts continuously break down bone to maintain mineral homeostasis. Bone tissues include compact bone, spongy bone, bone marrow, and periosteum. Q: Osteoclasts break down bone to maintain mineral what? Choices: - density - fluctuations - polarity - homeostatis A:

Ans:homeostatis
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Ques:Answer the following question given this paragraph: A camp fire is an example of basic thermochemistry. The reaction is initiated by the application of heat from a match. The reaction converting wood to carbon dioxide and water (among other things) continues, releasing heat energy in the process. This heat energy can then be used to cook food, roast marshmallows, or just keep warm when it's cold outside. Q: What kind of energy is released when the thermochemical reaction of a campfire converts wood to carbon dioxide and water? Choices: - ultraviolet - light - smoke - heat A:

Ans:heat
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Ques:Answer the following question given this paragraph: The standard unit for mass is the kilogram . The kilogram's standard is a block of platinum-iridium metal kept near Paris, France. Other countries, of course, keep copies. A kilogram is denoted "kg" and is a multiple of the smaller unit of mass, the gram ("g"). Q: What is the standard unit for mass? Choices: - ounce - meter - pound - kilogram A:

Ans:kilogram
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Ques:Answer the following question given this paragraph: The melting point is the temperature at which a solid changes into a liquid. Q: What is the term for the temperature at which a solid changes into a liquid? Choices: - the starting point - the mixture point - the pressure point - the melting point A:

Ans:
the melting point
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