Q: A fish's stream-lined body that reduces water resistance is an example of what kind of response to an aquatic lifestyle? Choices: - natural selection - retraction - evolution - adaptation A:
adaptation

(Question)
Q: What is the raw material for evolution by natural selection called? Choices: - pattern variation - mutation - comparable variation - genetic variation A:
(Answer)
genetic variation

Ques: Q: The turbine of a windmill spins and creates what? Choices: - grains - pollution - lightning - electricity A:
Ans: electricity

(Q).
Q: The entropy is decreasing because a gas is becoming a what? Choices: - swirl - solid - vapor cloud - liquid A:
(A).
liquid

Ques:Q: What gas do the lungs give up as they take in oxygen? Choices: - carbon monoxide - methane - nitrogen - carbon dioxide A:

Ans:carbon dioxide

Q: Many ionic compounds occur as hydrates, compounds that contain specific ratios of loosely bound water molecules, called waters of hydration. waters of hydration can often be removed simply by doing this? Choices: - cooling - observing - melting - heating A:
heating