9. Why carbon dioxide can be used as fire extinguisher? * O A. Carbon dioxide is not poisnous.
O B. Carbon dioxide does not support combustion.
O C. Carbon dioxide has acidic property.
O D. Carbon dioxide is an inert gas.

OD. carbon dioxide is an inert gas.

i can ! i just need to know what the paragraph is! : p

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.