Q: What happens when waves reach the shore? Choices: - diffuse and recede - surge and drown - repel and attract - topple and break A:
topple and break

(Question)
Q: Nitrogen wastes are produced by the breakdown of what during normal metabolism? Choices: - enzymes - hormones - lipids - proteins A:
(Answer)
proteins

Ques: Q: Birds flying thousands of miles south in the winter, then returning to their homes in spring, is a familiar example of what? Choices: - hibernation - evacuation - emigration - migration A:
Ans: migration

(Q).
Q: What element can form two different compounds with oxygen? Choices: - dioxide - H20 - hydrogen - carbon A:
(A).
carbon

Ques:Q: In passive transport, small molecules or ions move across the cell membrane without requiring input of what? Choices: - pressure - water - heating - energy A:

Ans:energy

Q: In which kind of species do open circulatory systems serve additional functions? Choices: - some apes - some seedlings - some earthworms - some invertebrates A:
some invertebrates