2. fresh water makes up less than percent of the world’s water. ten twelve three one

What forms when chemical reactions combine pollution with sunlight?

If two atoms are bonded to a central atom with no lone pairs, how will they be arranged

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.