The north american air mass is a large body with generally uniform temperature and humidity. the area from which air mass originates is called source region. the air mass source regions range from extensive snow covered polar areas to deserts to a tropical oceans.
Answer: April 15, 1865 is the answer
Answer: Here's a reason.
Explanation:
The release of two atomic bombs on Japan in August 1945 helped end World War II but ushered in the Cold War, a conflict between the United States and the Soviet Union that dragged on nearly half a century. In the United States, the use of the bombs was widely praised by a public tired of war and high casualties.
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1. several aspects of nature, astronomy and rituals.
2. religious rituals
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