Answer: I think the first option is the best option because water isn't a heat conductor and all the other options are not very accurate.
Explanation:
Not unless it crushes the container. Work is force acting through a distance. As long as nothing moves, no work is done.
Answer:a=g
Explanation: when the ball is thrown downwards gravity is acting on the ball, there is no force opposing gravity therefore it's acceleration will be due to gravity acting on it that is why a=g
Ocean currents result from two processes - the action of wind on the surface of the water, and from variation in water temperature that causes movement- a process known as convection. Convection occurs because the oceanic waters heat up becoming less dense.