Multiple Choice
Eutrophication is the
A) overgrowth of algae in lakes due to the presence of excess phosphate (PO43- ) ions
B) lack of algae in lakes due to the presence of excess phosphate (PO43- ) ions
C) overgrowth of algae in lakes due to the low concentration of phosphate (PO43- ) ions
D) absence of algae in lakes due to the low concentration of phosphate (PO43- ) ions
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Arrange the zones of the open sea
Q2: Wastewater treatment sludge, after reduction to about
Q4: Groundwater (from wells), unlike surface water, can
Q5: Groundwater (from wells) may contain<br>A)salt from use
Q6: Mercury poisoning can occur from consuming fish
Q7: Lead enters drinking water primarily from<br>A)improperly discarded
Q8: The recovery zone of polluted natural waters
Q9: Acids can enter natural waters due to<br>A)industry,
Q10: Lakes generally evolve naturally over time in
Q11: Cold, clear lakes or streams with few