I need help with the 1st and the 3rd one plz

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above