Number 1 is C number 2 is B and number 3 is also B
The blank is atoms. Structural formulas show the atomic arrangement in a molecule.
Mg is an element that stands for Magnesium.
Mg is the chemical symbol for Magnesium.
I think number one is c not sure or not number 2 is C AND NUMBER 3 IS 1 Go with sliding friction number 2 go with rolling friction number 3 is static friction and 4 is force
