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Compare and contrast physical changes with chemical changes.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.