9. What is needed for a pond to let the fish survive other than food and water?
A. Presence of light
B. Presence of oxygen
C. Presence of methane
D. Presence of carbon dioxide
pa answer po correctly pls
brainliest ko po yung tama
A. Presence of light
B. Presence of oxygen
C. Presence of methane
D. Presence of carbon dioxide
pa answer po correctly pls
brainliest ko po yung tama
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Hello!
Answer: B. presence of oxygen
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