Explain how natural resources are identified and why natural resources are unevenly distributed

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Enzymes affect the reactions in living cells by changing the