A gas made up of atoms escapes through a pinhole 2.83 times as fast as o, gas. Write the chemical formula of the gas.

the correct answer is a

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .