The quality of the final treated secondary wastewater effluent from a modern treatment plant is typically
A) lower in organic and nutrient content than the body of water into which it is discharged.
B) lower in organic content but higher in nutrient content than the body of water into which it is discharged.
C) higher in organic and nutrient content than the body of water into which it is discharged.
D) higher in organic content but lower in nutrient content than the body of water into which it is discharged.
Question 2
Countries that have completed or nearly completed the demographic transition experienced
A) the epidemiological transition and industrialization over 100 years ago.
B) the epidemiological transition and industrialization within the last decade.
C) a resource and technology transition that gave rise to the green revolution.
D) a political and sociological transition that gave rise to increased rural lifestyles.
Three Tissue Systems Extend Throughout the Plant Body
Plant Cell Types (Part 2)
Plant
Plant
The b sheet, another common secondary structure in proteins
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...