I think this question is meant to be placed in the Geometry category. :)
Venezuela is an oil producing country in south america.
<span>D. rain or thunderstorms
</span>
Answer:
Wastewater treatment
Explanation:
The major aim of wastewater treatment is to remove as much of the suspended solids as possible before the remaining water, called effluent, is discharged back to the environment. As solid material decays, it uses up oxygen, which is needed by the plants and animals living in the water.
