How can an aquarium be made into a self-sustaining unit like a natural ecosystem? Options: A . &nbspBy adding some chemicals into the water B . &nbspBy adding more plants and animals C . &nbspBy placing oxygen gas container in the aquarium. D . &nbspBy adding more fish

How can an aquarium be made into a self-sustaining unit like a natural ecosystem

Discussion Forum : Our Environment

Question - How can an aquarium be made into a self-sustaining unit like a natural ecosystem?

Options:

A . By adding some chemicals into the water

B . By adding more plants and animals

C . By placing oxygen gas container in the aquarium.

D . By adding more fish

Answer: Option B
:
B
An aquarium can be made self-sustained by adding more plants and animals in it which would help in recycling of certain substance like carbon dioxide, wastes etc which would otherwise pollute the environment of the aquarium.

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