Consider the diagram of the basic structure of a bacterium.
Which of the labeled structures in the image allows bacteria to exchange genetic material and thus evolve to be better
pathogens?
A
B
C
D

Humans can affect weathering and erosion in several ways.  humans cause  increases in acid rain and pollution, which increase the amount of  weathering  agents in the air and water, and then on land.for an easy answer: 1) acid rain2) pollution

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