What is the source of energy in the depths of more than 500 m in the oceans?
A. Sunlight
B. Wind energy
C. Dead and decaying matter
D. Phytoplankton
Answer:C
What is the source of energy in the depths of more than 500 m in the oceans?
A. Sunlight B. Wind energy C. Dead and decaying matter D. Phytoplankton