Which will increase the rate of a chemical reaction ? adding a catalyst
decreasing the pressure
decreasing the tempertaure
removing a catalyst

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Why is it important to study each branch of earth science?