A= 6
B= 2
C= 1
D= 5
E= 3
F= 4
Here you are looking on the Free Body diagram of a net force of 0N in both the x and y-directions. the only ones that has that condition met is A and C.
If you don't practice enough it's obviously going to be hard but if you practice enough it's going to be a piece of cake so don't think if it's going to be hard or not just think it's going to be worth the try at the very end
Inorganic molecules are composed of other elements. They can contain hydrogen or carbon, but if they have both, they are organic.