In which situation is the object experiencing balanced forces?

Which substances have the lowest melting points: ionic covalent, or metallic

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

All cells are made of four types of acids, lipids, proteins, and carbohydrates.