The main process of preliminary treatment is the removal of coarse solids and other large materials found in raw wastewater.
Explanation:
The preliminary treatment is used to protect operation of wastewater treatment plants. This is done by removing from wastewater any things that damage pumps, or interfere with subsequent treatment process.
The treatment process include coarse screening, grit removal, and used to remove excess amount of oils and greases.
Wastewater screening is the first operation used at wastewater treatment plants. In this process the object such as rags, paper, plastics and metals are removed to prevent damage and clogging of downstream equipment, piping. The modern treatments use both coarse screens and fine screens.
Answer:
this is a long question but i can read it in 2 mitits give me a moment
Explanation:
B is the answer.
Hope this helps!
X with superscript, Y. For example X<span>^H Y for a male with hemophilia.</span>
The right answer is: <span>phagocytosis of foreign materials</span>
The cell 1 is a microglial cell
Microglia are a set of microglial cells, which make up a quarter of the cells of the central nervous system.They have a star shape, are small and can move. Related to macrophages (it has the same morphology and does the same function as phagocytosis of antigens), their role is to ensure the immunity of the nervous system.
