Which term is NOT submicroscopic?
A. atom
B. ion
C. pen
D. molecule

The minerals found in bones are deposited by living cells called

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.

Which statement best describes what happens when molecular compounds melt