QUESTION 1 (POLL) Straighten your arm away from you, and then bend it back
towards you. What is happening with your arm muscles? Check
all that apply.

They contract and relax.

They move my bones.

They get shorter and longer with each
movement.

They stay the same.

*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

Find the mass, in grams, of 5.00*10^23 molecules of f2

Which three statements represent the benefits of performing experiments using computer simulations?