Ques:Q: What kind of weathering is abrasion? Choices: - molecular - electromagnetic - natural - mechanical A:

Ans:mechanical
-----
Ques:Q: When do cells acquire different identities in an ordered spatial arrangement? Choices: - during mitosis - larval stage - before morphogenesis - during morphogenesis A:

Ans:during morphogenesis
-----
Ques:Q: Where is most digestion completed? Choices: - the cavity - the stomach - the esophagus - the duodenum A:

Ans:the duodenum
-----
Ques:Q: As a diver descends, the increase in pressure causes the body's air pockets in the ears and lungs to do what? Choices: - heat up - expand - blow up - compress A:

Ans:
compress
-----