Multiple Choice
What is the source of energy used by primary producers living in the abyssal zone?
A) Sunlight
B) Organic material falling from above
C) Sulfur compounds
D) Primary producers cannot live in the abyssal zone.
Correct Answer:

Verified
Correct Answer:
Verified
Q29: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5135/.jpg" alt=" -In what ocean
Q30: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5135/.jpg" alt=" -The fishing method
Q31: What is a key source of ions
Q32: Where would you find an estuary?<br>A)In a
Q33: Major ecosystem impacts of oil spills include
Q35: As water in the Gulf Stream travels
Q36: Marine reserves are _.<br>A)military personnel responsible for
Q37: Hydrothermal vents _.<br>A)occur in tropical areas at
Q38: The practice of aquaculture provides which of
Q39: If ocean water traveling in a current