What are conventions?
a. the events that lead to the climax of a novel
b. the conflicts between the protagonist and the antagonist
c. the traditions and rules that lead to a reader s expectations
d. the difficulties a writer encounters in creating characters

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.

level 4 to level 2 : ))