(Q).
Q: All organisms must adapt to what in order to survive? Choices: - natural - weather - conditions - environment A:
(A).
environment

(Q).
Q: How many classes of biochemical compounds are there? Choices: - one - five - three - four A:
(A).
four

(Q).
Q: When what element - whose name means "light bringing" - was first isolated, scientists noted that it glowed in the dark and burned when exposed to air? Choices: - oxygen - mercury - neon - phosphorus A:
(A).
phosphorus