Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms. The warm air rises through the colder air, causing an updraft. The updraft will begin to rotate if winds vary sharply in speed or direction1
Answer: water
For food digestion for humans we don’t use the sun, or warm temperatures, or transpiration.
We use water to help with digestions
Answer: water
The Richter scale is used, from 0.1 to 9.0 magnitude. The Richter scale is determined from the logarithm of the amplitude of waves recorded by seismographs.
Land <span>had been taken illegally from Maoris.
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The conflicts in Xinjiang, Chechnya, and Quebec all have to do with the desire to become a sovereign state.
Most people in Quebec feel threatened that the unique French culture found there would become assimilated with the Anglospheric culture found in the rest of Canada.
Xinjiang is inhabited primarily by the Uygurs, a Turkic ethnic group. Separatists believe that the region did not belong to China to begin with, even though it was illegally occupied in 1949.
Chechnya is in a state of Russian occupation and independence, which goes back from the dissolution of the Soviet Union.
