Answer:
because harmful substances often chemicals or microorganisms contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and rendering it toxic to humans or the environment.
Explanation:
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The answers is B.) Large number of Africans we’re forcibly taken to American during the slave trade .
<span>Seismic waves.................</span>
Darwin is a great example. He created the theory of evolution, but because of the church ridiculing him, he couldn't come forth with his findings. Some parts of science may seem outlandish to society, and that can be very difficult to deal with.
Answer:
As one plate subducts, it sets up convection currents in the upper mantle that 'exert a net trenchward pull'
Explanation:
