Why does the sky diver have quite a bit of potential energy when he is at an altitude of 12,000 feet?​

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.