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Dmitry_Shevchenko [17]
3 years ago
14

What is global warming, and why is it a concern?

Geography
1 answer:
lbvjy [14]3 years ago
3 0

Answer:a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants. Global warming can affect the food we eat or the air we breathe

Plllzzzzz mark brainliest

Explanation:

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Preston's clock produces 45 useful energy units for every 100 units of electricity used. What is the efficiency of the clock? 0.
lana66690 [7]

The correct answer is - 45 percent.

Since the clock produces 45 useful unites energy units for every 100 unites of energy that it uses, than it turns out that the efficiency of the clock is 45 percent.

8 0
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Pollination !! hope this helps
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How did smallpox influence the colonization of the Americas ?<br><br><br> HELP ME PLEASE
kupik [55]

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.

Explanation:

Hope this helps!!!

8 0
3 years ago
What type of map projection would you want to
Maksim231197 [3]

<u>Answer:</u>

<em>The Stereographic projection is a type of map projection which would be used to locate the other side of the lake which cannot be seen.</em>

<u>Explanation:</u>

So basically <em>Stereographic projection is defined as a particular kind of mapping</em> in which it projects the entire sphere into a fine plane map.

Every projection in the map is defined on every part of the sphere but except one point which is called as the projection point.

<em>These maps are considered as smooth and bijective.</em>

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3 years ago
What is flat area west of the ural mountains
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West Siberian Plain, Russian Zapadno-sibirskaya Ravnina, one of the world's largest regions of continuous flatland, central Russia. It occupies an area of nearly 1,200,000 square miles (3,000,000 square km) between the Ural Mountains in the west and the Yenisey River valley in the east.
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