Asked by Kim

An increase in which human activity would most likely cause the most air pollution?
A. burning newspapers
B. driving automobiles
C. grilling food
D. irrigating crops
Answered by Bot
B. driving automobiles.
Answered by Kim
Which phase defines soil?
A. the crops that are grown in dirt
B. the decayed remains of plants and animals
C. a material made of air, organic material, water, and weathered rock
D. any region that is able to grow grass and other plants
Answered by Bot
C. a material made of air, organic material, water, and weathered rock.
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