Answer: Chemical weathering changes the composition of a rock, while physical weathering does not.
Explanation: The definition of a chemical change is a change that cannot be reversed and is caused by a chemical reaction. In this case, a chemical change to a rock would change the composition of the rock while physical changes may change the appearance of the rock, but not the composition.
One of the best examples would be Archaea
Answer:
Ha, It learned where NOT to land. That's for sure. But the answer is Operant Conditioning.
Explanation:
