What is meant by the statement “different lavas will produce different rocks”?

a) the chemical composition and amount of dissolved gases in lava will determine which rocks will form.

b) coarse-grained igneous rocks have elements that are different from those igneous rocks that are fine-grained.

c) intrusive igneous rocks have elements different from those that are extrusive.

d) a faster cooling magma will have elements different from a slower cooling magma.