We need to see our answer choices to check all that apply.
Answer:
I think its photosynthesis because its converts carbon dioxide. Also some plants use it too.
Explanation:
Answer:
Millions of years ago, the Appalachians were taller than the Himalayas! Millions of years of erosion, however, have taken their toll. ... The crust that is now the Appalachians began folding over 300 million years ago, when the North American and African continental plates collided.
