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:

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

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Which of the following statements regarding species interdependence are true? A. An association of two species where one is benefitted and other remains unaffected called mutualism B. An interspecific association where both partners derive benefit from each other is called commensalism C. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis

A and B only
C and D only
B and D only
B and C only
A and C only

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Environmental Science