You are studying to become a doctor and must explain to a patient about mutations. She would like to know how they happen. Which of the following can you tell her does NOT cause them?
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O A. Exposure to UV radiation
O B. Standing in front of a microwave while it's on
O C. Exposure to certain chemicals
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O D. Errors during DNA replication

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)

One drawback of dams is that they can flood land upstream from the dam and reduce water flow downstream from the dam. a. true b. false

How can a liquid be drawn into a pipette safely?