When compounds that are formed from ionic bonds decompose, the products are usually atoms of the original reactants simple molecules ions of the original elements of no further chemical value

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?