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

(Q).
Q: What action, performed multiple times daily, is the single biggest use of water in the home? Choices: - taking showers - watering plants - washing clothes - flushing the toilet A:
(A).
flushing the toilet

(Q).
Q: What are seamounts that rise above the water surface called? Choices: - sandbars - coasts - reefs - islands A:
(A).
islands