Which of the following correctly describes how igneous rocks are formed? A. layers of sediment are pressed down on top of each other

B. melted rock cools, either above ground or underground

C. water breaks off pieces of rocks and moves them to new locations

D. another kind of rock is exposed to a lot of pressure and heat

A. layers of sediment are pressed down on top of each other  

B. melted rock cools, either above ground or underground   Correct

C. water breaks off pieces of rocks and moves them to new locations

D. another kind of rock is exposed to a lot of pressure and heat

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.