A pollutant that is biodegradable is
...A pollutant that is biodegradable is
crude oil
heavy metals
cellophane
sewage
Correct answer is D
No explanation has been provided for this answer.
A bat's wing and that of a bird, a whale's flippers and the fish's f...
Which of the following is a common characteristic of crustaceans? ...
Which of the following natural resources is non-renewable? ...
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Soil factors in an ecosystems are referred to as ...
Lamarck's evolution theory could be summarised by the statement that ...
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The deficiency of vitamin D leads to ...
Which of the following dental formulae represents the dentition in rabbits? ...