Q: Fact: migration is an instinctive behavior
Question: Which of the following is an instinctive behavior?

A: geese leave colder regions

Q: Fact: crumple means change shape from smooth into compacted by physical force
Question: crumple means change shape from smooth into

A: lots of folds and ridges

Q: Fact: living underground can be used for hiding from predators
Question: Which creature would be safest from predators in its natural underground habitat?

A: moles

Q: Fact: processes sometimes produce waste products
Question: What product eventually will become human waste?

A:
corn