A. True. You can use displacement to determine the volume of solids and liquids.
It decreases because it gave its momentum to the other car.
1) push down on the end of the lever, and 2) 3/4 of the way from the fulcrum
The subscript after the element indicates the number of atoms of that element in the molecule. So, in H20, the subscript after the H, which stands for hydrogen, is 2. This means that there are 2 hydrogen atoms in a water molecule.
Hope this helps! :)
