Q: Which is an example of a chemical change? ----

A: a rusting car fender

Q: Cancer is best described as ----

A: abnormal cell division

Q: In making a pizza, which process involves a chemical change? ----

A: baking the dough to form the crust

Q: A cat jumps when startled by a loud noise. This is an example of an organism ----
A: sensing and responding to its external environment