Directions jump up and down on one leg for as long as you can. respond to the following questions: describe how your leg began to feel the more you jumped on it. explain why this feeling occurred according to the processes of cellular respiration.

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 generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

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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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