Q: What type of matter often sinks into cracks between rocks? Choices: - algae - vapor - energy - liquid A:
liquid

(Question)
Q: What is the measure of water potential? Choices: - trials - fluctuations - spores - megapascals A:
(Answer)
megapascals

Ques: Q: All chemical changes involve a transfer of what? Choices: - hydrogen - pressure - nitrogen - energy A:
Ans: energy

(Q).
Q: What class of oxygencontaining compounds is formed by the dehydration of alcohols? Choices: - reagents - sugars - nethers - ethers A:
(A).
ethers

Ques:Q: During sexual reproduction, the macronucleus dissolves and is replaced by what? Choices: - fluctuations - chromosomes - sporozoans - micronucleus A:

Ans:micronucleus

Q: In which direction does water travel? Choices: - backwards - northwest - uphill - downhill A:
downhill