Multiple Choice
Which of the following is true of dead zones?
A) They are caused by algae blooms that occur when agricultural fertilizers and waste runoff enter natural waterways.
B) They are caused by an increase in the saltiness of the land, making the land infertile.
C) They are formed when a specific area lacks nutrients and vitamins.
D) They are formed when excess oxygen accumulates in a specific region.
E) They are formed when a volcanic eruption covers the soil with ash.
Correct Answer:
Verified
Correct Answer:
Verified
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