Environmental Science
The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called

water pollution
radioactive pollution
air pollution
soil pollution

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Which of the following statements is not correct?

During the winter, low relative humidity can irritate the mucus membranes in the nose and throat.
The length of human hair changes as the relative humidity changes.
A change in the air temperature can change the relative humidity.
The relative humidity is a measure of the air's actual water vapor content.

ANSWER DOWNLOAD EXAMIANS APP