Which factor can affect the rate of photosynthesis by denature how enzymes in the plant?

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.