Biology
Medium
Question
Which is not recycled in the ecosystem?
A
Wind
B
Carbon
C
Oxygen
D
Energy
✓ Official correct answer
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Wind
No member explanations yet for this option.
B
Carbon
No member explanations yet for this option.
C
Oxygen
No member explanations yet for this option.
D
Energy
No member explanations yet for this option.