A B
C
Box 1
Net mass A = 10 grams
Box 2
Net mass B = 5 grams
Box 3
Each made of 1A and 1 B
Mass box A = 10 grams: Mass box B = 5 grams: Mass box C-made of one A and one B
How many boxes of A would be required to make 30 grams of C?

explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.