Which of the following is usually most helpful in determining the age of fossils?

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

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.