Which of the following is NOT regarded as a pollutant on ...
Which of the following is NOT regarded as a pollutant on land or in the air?
smoke
noise
sulphur (IV) oxide
carbon monoxide
nitrogen
Correct answer is E
No explanation has been provided for this answer.
Most fishes do not sink in water because of the presences of: I. swim bladder II. air bladder III...
Which of the following produces both hormones and enzymes? ...
Which of the following is likely to have a higher concentration of the mitochondria? ...
The enzyme invertase will hydrolyze sucrose to give ...
The arrow labelled ll represents the ...
The following are connected with the movement of a reflex action (1) Central nervous (2) Muscles ...
The significance of a very large number of termites involved in nuptial swarming is to ...