Answer:
I think it's C, but I'm not a 100% sure,
so if you could.. please correct me if I'm wrong.
Explanation:
Hope you have a good day! :)
Answer:
Limestone areas are predominantly affected by chemical weathering when rainwater, which contains a weak carbonic acid, reacts with limestone. This causes the limestone to dissolve. Carbon dioxide from the respiration of animals (and ourselves) is one cause of increased carbon dioxide in the atmosphere.
The united states and Canada share many geographic features, including the great lakes, the Rocky mountains, and Atlantic and pacific coast
Pacific coast cover the west coast of Canada and United states while the Atlantic Coast Cover the eastern part
hope this helps
