Being photosynthetic algae, the level of immediate environment in their___________
A. Decrease, biological oxygen demand
B. Increase, dissolved oxygen
C. Increase, biological oxygen demand
D. Decrease, dissolved oxygen
Answer:C
Being photosynthetic algae, the level of immediate environment in their___________
A. Decrease, biological oxygen demand B. Increase, dissolved oxygen C. Increase, biological oxygen demand D. Decrease, dissolved oxygen