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Which best summarizes what scientists learned about how microbes benefit the human body? they are part of a normal human ecosystem. they have become less harmful to humans than they used to be. they process nutrients, fight disease, and accommodate change. they humans overcome the effects of antibiotics.`

What is the potential danger from an accident at a nuclear power plant? a) fire and large scale explosions b) exposure to radiation c) meltdown of the plant and surrounding community d) entire cities could be wiped out

In approximately 200 words, summarize the main points of jackson kuhl's "innovations that changed building design."