As successional changes occur in an ecosystem, new species take advantage of new conditions. where do these new species come from?

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.

What is the problem in this article? what solution does the article propose?

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water