Multiple Choice
Which of the following best describes what scientists (the Bell research group) concluded about the effect of atmospheric CO₂ increases on phytoplankton's primary productivity?
A) After 1000 generations,phytoplankton showed a consistent significant increase in primary productivity.
B) After 1000 generations,phytoplankton showed a consistent significant decrease in primary productivity.
C) After 1000 generations,phytoplankton showed a moderate increase in primary productivity.
D) After 1000 generations,phytoplankton will not show an increase in primary productivity.
Correct Answer:

Verified
Correct Answer:
Verified
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