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Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Identify the examples in which sam interacts only with natural resources

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?