Stalin industrialized his country; formed 'communes' of workers, miners and farmers; and gave emphasis on mass and collective production.Stalin dismantled <span>Lenin's New Economic Policy and all of its reforms and stop-gap measures. </span>
The four spheres of the Earth includes the Geosphere, Hydrosphere, Biosphere and Atmosphere. The sphere that there is interaction in runoff from farming into the local areas is on Hydrosphere. Hydrosphere <span>is the liquid water component of the Earth. It includes the oceans, seas, lakes, ponds, rivers and streams.</span>
Tropical climates are characterized by monthly average temperatures of 18 °C (64.4 °F) or higher year-round and feature hot temperatures. Annual precipitation is often abundant in tropical climates, and shows a seasonal rhythm to varying degrees.
Area. Around the equator, from 23.5° further north to 23.5° southern latitude.
Sun path. Sun at the zenith (90°) at least once per year, never lower than 43°
Average temperature. >20 to 30°C.
Minimal temperature. 0°C (no frost)
Maximal temperature. Up to 40°C (seldom more)
