Which of the following substances must be chemically transformed before it can be used by plants? a oxygen b carbon dioxide c nitrogen gas d water

check for the pregnancy rating of drug. if its class c or d see if other alternatives

acceleration = 18/3 = 6 m/s per second.

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in addition to being able to metabolize, grow, digest food, and excrete wastes, what other functions must an organism perform if it is to survive? survival also depends on the ability to maintain one's boundaries, to move, to respond to stimuli, and to reproduce. oxygen is a survival need.