Answer:
0.974 atm; 740 mm Hg; 98.7 kPa; 0.987 bar
The definition from what I know because I remember it from biology I think is "a theory explaining the structure of the earth's crust and some other associated phenomena as resulting from the interaction of a rigid lithospheric plates that move slowly over the underlying mantle." I'll put the quotations for you to copy what I said so it doesn't sound like you got it off me and I hopefully spelt lithospheric right
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms