Be my friend. i am desperate. : ,)
anyway. i really need understanding what newton's laws really mean.
so
which of the following is the cause of an acceleration.
speed
inertia
force
velocity

Force, according to Newton's 1st Law of Motion, which states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

(Mark me as the brainiest if this answer helps!)

c.is a substance that requires a small amount of energy per gram to raise its temperature; has strong cohesive forces between molecules.

explanation:

a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

answer; (arch); good luck