A population pyramid tells us how many dependants there are. There are two groups of dependants, young dependants (aged below 15) and elderly.
Answer:
This is done through:
O. Radiation is reflected from the tropical oceans and warms the atmosphere.
Explanation:
Europe is a continent found on the world which has various countries under it. Some of these countries experiences longer cold seasons while others experiences longer warm season. <em>In order for Europe to be kept warm, there is need for the radiation that is reflected from the tropical oceans to be passed through the atmosphere thereby warming the air and environment. </em>
The western and eastern sierra nevada have substantially different species of plants and animals, because the east lies in the rain shadow of the crest. the plants and animals in the east are thus adapted to much drier conditions.
The needle of a magnetic compass always points torwards the North Pole
