Multiple Choice
How are algal blooms (red tides) typically harmful to humans?
A) The blooms destroy shellfish and other food sources for humans.
B) Shellfish eat the harmful algae,and humans eat the contaminated shellfish.
C) Humans can become poisoned when swimming in contaminated water.
D) All of the above answers apply.
Correct Answer:

Verified
Correct Answer:
Verified
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