The functional group of this molecule is amines ? true ?

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Compare and contrast the bohr model and the electron cloud models of the atom.

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.