Which statement describes how this ecosystem is likely to change after many years of succession?

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

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 ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean