Name three different freshwater ecosystems. name two aquatic ecosystems that are not made of solely freshwater and no freshwater.

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.

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

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