E. indoor plumbing
because this comes in agriculture wich hellped southeast development
Your answer is D good luck!!
Answer: Coagulation and flocculation are often the first steps in water treatment. Chemicals with a positive charge are added to the water. The positive charge of these chemicals neutralizes the negative charge of dirt and other dissolved particles in the water.
Hope this somehow helps!
The corona is an envelope of ionized gases that extends out past the sun.
The corona is the third layer of the Sun. This layer takes the out most portion of the Sun's atmosphere. It is consisted of ionized gases that normally extend around one million kilometers from the Sun's surface.
