An isotope of an element has:

a. more protons
b. less protons
c. a different atomic mass
d. the same number of neutrons

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

How long does it take a skateboarder going 6.0 m/s to come to a complete stop if she slows down at a rate of 2.0 m/s^2

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil