Environmental Science
Although the polar regions radiate away more heat energy than they receive by insolation in the course of a year, they are prevented from becoming progressively colder each year by the:

Concentration of earth's magnetic field lines at the poles
Release of latent heat to the atmosphere when polar ice melts
The insulating properties of snow
Circulation of heat by the atmosphere and oceans
Conduction of heat through the interior of the earth

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
When a liquid thermometer is held in direct sunlight,

It will accurately measure the air temperature
It will measure a much higher temperature than that of the air
It will measure a much lower temperature than that of the air
It will measure the temperature of the sun rather than the air

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Environmental Science