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AfilCa [17]
3 years ago
10

What portion of the Earth is covered by water?

Geography
1 answer:
ratelena [41]3 years ago
3 0

Answer:

C 3/4

Explanation:

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It has been reduced to scrub by overgrazing.

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Why is iron significant to understanding how a supernova occurs?
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Iron cannot release energy either by fission or fusion.

Explanation:

When a high-mass star runs out of hydrogen inside its core, it starts burning helium, and then heavier elements until it reaches iron.

Nuclear fusion of iron cannot occur, because the amount of energy required for the fusion of two nuclei of iron is larger than the energy released.

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What type of gases holds in heat and keeps the earth at a moderate temperature?
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The answer is Greenhouse gases

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6. These lines run between the geographic North and South Pole​
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Answer:

These lines are called lines of longitudes.

Explanation:

There is a difference between longitudes and lines of longitudes.

  1. Longitude: It is the angular distance from one point location to another point location on the globe.This angular distance is measured with the help of lines of longitudes.
  2. Lines of longitudes: These are imaginary lines that run around the Earth vertically (up and down) and meet at the North and South Poles. These lines are also termed as meridians. The Prime Meridian is located at 0° and the lines of longitude run east and west of Prime Meridian. There are 360 longitudes in total (180 east and 180 west of Prime Meridian). Further, all longitudes are also great circles.  

Learn more:

  1. The importance of latitude and longitude brainly.com/question/11436219
  2.  Latitude and longitude of clifden ireland   brainly.com/question/12449677

 Keywords: longitude, lines of longitude, Prime Meridian, North Pole, South Pole

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Who were the winners of the first democratic elections held in Mongolia in the 1990s?
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It is the second one. hope it helps.
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