This is the most commonly used word for the element

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

An observation that requires measurement is called quantitative observable or qualitative

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.