The buoyant force increases as you push an inflated beach ball under the water's surface. When will the force stop increase? Explain your reasoning?

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Oxygen and hydrogen gas are at the same temperature t. what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)