Which image BEST represents punctuated equilibrium? A. Image A, because there is a period of rapid change in a short amount of time.
B. Image A, because speciation resulted in the production of two species.
C. Image B, because the larger mollusk was more fit for the environment.
D. Image B, because there is a large size difference between the older and more recent fossils.

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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affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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