Answer:
Smallpox has had a major impact on world history, not least because indigenous populations of regions where smallpox was non-native, such as the Americas and Australia, were rapidly decimated and weakened by smallpox. During the 18th century the disease killed an estimated 400,000 Europeans each year, including five reigning monarchs, and was responsible for a third of all blindness. After successful vaccination campaigns throughout the 19th and 20th centuries, the WHO certified the global eradication of smallpox in December 1979. Smallpox is one of two infectious diseases to have been eradicated.
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Answer:
is caused by earth's rotation
Explanation:
- The Coriolis effect is the direct result of the earth's constant motion around its axis and in which he objects are deflected towards the right in the northern hemisphere and to left in the southern hemisphere. It is also called as an initial or fictitious force with reference to clockwise rotation.
Answer:
Some of the most common problems that are already happening are pretty much the same that'll happen in the future.
Ozone depletion
Climate change
Global warming
Acid rain
Carbon dioxide contributes to air pollution in its role in the greenhouse effect. Carbon dioxide traps radiation at ground level, creating ground-level ozone. This atmospheric layer prevents the earth from cooling at night. One result is a warming of ocean waters
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