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.
Answer:
for the continuation of species.. further it's as needy as a person take the meal
Explanation:
It's can be counted as a daily need of people as we take the meal
The main 3 parts are the magma , the central vent and a crater