Assume that a friend hands you a heavy book to hold as he turns the combination lock on his locker. which of you does more work?

None of us is doing work

Explanation:

None of us is undergoing work because it is said that for work to be done a force applied to a body must cause the body to move through a "distance". According to both me and my friend, we are both at a particular position (not covering any distance) and as such work has not been done by any of us not until we leave our position of rest to cover a particular distance.

answer; ///i do believe that the correct answer is ; ///(physical change);

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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