<em><u>Volume is a physical quantity that refers to the amount of space that is occupied by a body or an object.</u></em>
Volume may either be expressed in<em><u> Liters, milliliters or cubic units such as cubic meters, or cubic centimeters.</u></em>
Among the three states of matter; solids have a definite or regular shape and volume. Liquids also have regular volume but occupies the shape of the container. Gases have an irregular volume and fills an the space of a container, that is they do not have a fixed volume.
When a man and a women come together it is called sexual reproduction. (had to keep it pg for the kids) its necessary to keep the generations of humans alive. if this doesn't happen the human race will be no more. There are all kinds of people who have different kinds of kids(skin color and features)