The depth of illumination in a water body can be measured...
The depth of illumination in a water body can be measured with a
photometer
secchi disc
hydrometer
anemometer
Correct answer is B
No explanation has been provided for this answer.
The following are greenhouse gases except ...
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The drugs which inhibit the growth of disease-causing organisms and thus used in the treatment ...
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The environmental factors responsible for the condition in plant B are ...