What is the definition of consumption?

A)the act of using something
B)too much, or too great, to overcome
C)a chemical that kills vegetation
D)the process of polluting the earth
E)a chemical that kills pests, especially insects

A)the act of using something

What is the definition of life span?

A)the time between birth and death
B)a substance, or material, made up of tiny particles
C)the changing of a country to an industrial economy and culture
D)what could be expected or anticipated
E)the practice of bodily cleanliness

A)the time between birth and death

A) the act of using something.