Q: What organ creates bile? Choices: - kidney - pancreas - heart - liver A:
liver

(Question)
Q: What do you call the regular changes in biology or behavior that occur in a 24-hour cycle? Choices: - cognitive rhythms - variable rhythms - sleep rhythms - circadian rhythms A:
(Answer)
circadian rhythms

Ques: Q: The pleura that surrounds the lungs consists of how many layers? Choices: - one - four - three - two A:
Ans: two

(Q).
Q: What is the term for a resource that is used in a way that meets the needs of the present without keeping future generations from meeting their needs? Choices: - tolerable - innovative - structural - sustainable A:
(A).
sustainable

Ques:Q: Algae are much simpler than protozoa. they are aquatic and contain this? Choices: - testes - sporozoa - cloning factor - chlorophyll A:

Ans:chlorophyll

Ques:Q: What do you call the heat below earth's surface that can be used to produce electricity? Choices: - inert energy - renewable energy - natural energy - geothermal energy A:

Ans:
geothermal energy