Is there optional cause it just so many words like a story?
Its important because they produce offspring. Without any offspring the species would slowly die off and become extinct.
"it reacts strongly when the drug is absent, a reaction known as withdrawal"
C) Drilling for oil in the deep ocean.
The kinetic molecular theory of matter states that: Matter is made up of particles that are constantly moving. All particles have energy, but the energy varies depending on the temperature the sample of matter is in. This in turn determines whether the substance exists in the solid, liquid, or gaseous state.