The answer to your question is where a cold ,dry air mass meets a warm ,moist air mass. Tornadoes usually form where a cold ,dry air mass meets a warm ,moist air warm.
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This relates to Evolution
Infectious Disease Epidemiology Programs primary purpose is to study the ... <span>Contact Diseases</span> are transmitted when an infected person has direct bodily contact with an ... are found on the skin but do not cause illness it is called " colonization. ... a bacterium found in rodents and their fleas in many areas around the world.
