Please help me out with this Which plate is north of african plate and west of north american plate?

Please help me out

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.

What is the subscript for oxygen in its molecular formula