Primary treatment<span>. In the primary sedimentation stage, </span>sewage<span> flows through large tanks, commonly called "pre-settling basins", "primary sedimentation tanks" or "primary clarifiers". The tanks are used to settle sludge while grease and oils rise to the surface and are skimmed off.</span>
Answer:
Assumptions about how people should think, behave, and communicate
Explanation:
People in different cultures are raised in different ways. As they grow, they learn the appropriate modes of behaviour according to their culture, and they are positively reinforced if they behave in such way, and reprimanded if they behave in the contrary way.
As a result, intercultural communication can be difficult because people will not necessarily understand that many of their assumptions are relative, not absolute truths.
Answer:
Scarcity
Explanation:
The fundamental problem that both producers and consumers face is scarcity, the scarcity is the lack of basic resources such as water, food, energy, housing, etc., which are considered fundamental to satisfy survival or no basic resources that meet different needs in human societies in several aspects.