16m -12 - m + 5 = - 52
16m - m = - 52 - 5 + 12
15m = - 45
m = -45 / 15
m = -3
Answer:
A is the right answer
Explanation:
Convection currents are created in the Earth's atmosphere as the sun heats the gases, causing them to rise. Theses gases cool as they rise high into the atmosphere and travel back down towards the ground to get heated again. ... All of this movement of gases in the atmosphere creates wind.
<span>Aid agencies estimated that approximately four million residents of Somalia required food aid in 2009. </span>
Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy. Human factors that affect population density include social, political and economic factors.
