Which of the choices would have the greatest capacity to do work? The potential energy of 50ml of water.
The potential energy of a small plant.
The potential energy of a 500kg boulder O The potential energy of a 50g toy car.​

True or false, the three major scales used to measure earthquakes are mercalli scale, richter scale and magnitude scale

Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z