(Q).
Q: What play several important roles in the human body? Choices: - cells - tissues - organs - lipids A:
(A).
lipids

(Q).
Q: How many times does the height of the largest wave increase with each level? Choices: - 20 times - 100 times - 5 times - 10 times A:
(A).
10 times

(Q).
Q: What links the trophic levels from producers to top carnivores? Choices: - ecosystems - environments - fuel chains - food chains A:
(A).
food chains