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11.Organisms and Populations
medium
In the oceans, the environment is perpetually dark at
A
More than $100\,m$
B
More than $500\, m$
C
Less than $100 \,m$
D
Less than $500 \,m$
Solution
Deep $(>500 \,m )$ in the oceans the environment is perpetually dark and its inhabitants are not aware of the existence of celestial source of light
Standard 12
Biology
