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📚 STS JST PAST PAPER 2026
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In an experiment a student observes that removing algae…
📚 STS JST PAST PAPER 2026
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In an experiment a student observes that removing algae from a pond decreases the fish population. This shows that:
A
Algae harm the population of fish
B
Algae provide CO2 and food for fish
C
Algae reduce water quality for the survival of the fish
D
Algae consume the population of fish
💡
Explanation:
Algae provide oxygen and food for fish. Removing them decreases the fish population.
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