Which of the following does the human digestive system break down for the body's cells to use for energy, repair, and growth?

Photosynthesis converts solar energy into what type of energy?

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.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic