What was going on in the last 250 years that is thought to have a significant impact on the carbon dioxide levels in the atmosphere

A. Industrial revolution
B. Forest fires
C. humans evolved
D. Middle Ages

Acommon kind of mechanical weathering is called

Along what geographical feature are most of the oil producing regions located

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations