Multiple Choice
Red tides are caused by ________________
A) increased ocean carbon dioxide content
B) sharks attacking harbor seals and walruses
C) increased ocean oxygen content
D) the position of the moon
E) elevated nutrient levels
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Explain how increased atmospheric carbon dioxide levels
Q16: Which of the following is an example
Q17: The Oil Pollution Act of 1990 _.<br>A)increased
Q18: What are groundfish?<br>A)various species that live in
Q19: Most present -day fisheries managers _<br>A)want all
Q21: Discuss the importance of the goods and
Q22: Ocean water is saltiest _.<br>A)where there is
Q23: Zooxanthellae are _.<br>A)symbiotic algae that provide corals
Q24: Discuss how fishing practices can damage ecosystems.Include
Q25: As water warms,it _.<br>A)becomes more alkaline<br>B)sinks<br>C)dissolves increased