The force of gravity acting on an object is F mg, where m is the mass of an object and g is the acceleration of gravity (9.8 m/s²). How much work do you do on the aluminum sphere if you raise it from the floor to a height of 2.1 m?
Express the answer in joules to two significant figures.

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?

the right answer is c i just did the question.