Balance in the water cycle means that

a)the average annual precipitation over earth equals the amount of water that evaporates
b)water that falls to earth only enters oceans<
c)the amount of water that falls to earth weighs the same as the amount that condenses in clouds
d)water that evaporates from earth's surface remains forever in the atmosphere

i think it is a but i'm not sure.

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?