These solar panels us conserve nonrenewable natural resources that we use as fuel, such as

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.

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

Drug abuse will not lead to physical and psychological dependence. true or false ?