Phosphine, PH3 is a (polar, nonpolar) molecule. In a molecule of methane, the primary intermolecular forces are (london dispersion forces, dipole-dipole forces, hydrogen bonding)

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.

it is the most commonly accepted one

you gotta add the following molecules so we can give u an answer

explanation: