a: chemical elements ~
b: nature's building blocks
What:
"The chemical elements are like nature's building blocks. The chemical elements are the building blocks of all substances."
Or maybe a Lego set with 118 different types of pieces.......
Useful?
Writer: David Sang, Lawrie Ryan, Jane Taylor
LCC:
Where:
Date: Dec 26 2015 7:41 PM
# 9434 Critique Analogy