What is a mixture? A.
two or more substances combined
B.
when a chemical reaction occurs and new
substances are formed

1. list three scientific reasons cockroaches may fly.

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.

In one or two grammatically correct sentences, write a definition for the term molecule geometry