Fewer fish can be kept in an aquarium of fixed size in the summer than in the winter.

Question

Explain giving reasons:

Fewer fish can be kept in an aquarium of fixed size in the summer than in the winter.

Answer 1

Fishes take up dissolved O₂ in water. Due to rise in temperature in summer amount of dissolved O₂ decreases and less number of fishes are to be kept in the aquarium.