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Lorico [155]
3 years ago
14

How scientists determine the different features of the Earth?

Geography
1 answer:
svlad2 [7]3 years ago
8 0

Answer:

scientist can tell by observing the seismic waves that are recorded all over the surface of the earth from distant earthquakes

Explanation:

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What happens during the entire fusion process in the Sun? Two hydrogen nuclei come together to produce one helium nucleus and tw
Hoochie [10]

Answer: Two hydrogen nuclei come together to produce one helium nucleus and two protons, and energy is released.

Explanation:

All stars (including the Sun) at birth begin to fuse two hydrogen nuclei to form helium through nuclear fusion.  

In this sense, nuclear fusion is the union of two light atoms, releasing energy in the process, which is the cause of the great luminosity of a star. Especifically, the hydrogen nuclei will begin to fuse, generating helium nuclei in the process and releasing huge amounts of energy.

To unerstand it better:

To shine, the stars transform their hydrogen into helium by means of nuclear fusion. When at half of its life a star is without hydrogen, the nucleus becomes entirely helium and the star declines, becoming colder and brighter due to the energy generated by the nuclear reactions, then the star begins to contract.  

Nevertheless, if the star is bigger, this helium will be also consumed and the nucleus transformed in Carbon, then in Oxigen, and so on. Being the last transformation Iron until the star delivers all its energy.

5 0
3 years ago
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HEEEEEEEELLLLLPPPP PLLEEEEAAAASSSEEEEE
Tcecarenko [31]

Answer:

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Explanation:

The visible expression on human activity indicate the situation of a particular place or location.

7 0
3 years ago
6. Two students are located 800 kilometers apart on the same meridian of
alexgriva [62]

Two students are located 800 kilometers apart on the same meridian of longitude. They measure the altitude of the Sun at noon on the same day. They can use these measurements to calculate Earth's circumference.

<h3>How far does the Earth actually go around?</h3>

The equatorial diameter measures 7930 miles, which is a little more than the distance between the north and south poles, which is roughly 7900 miles. The Earth's circumference is simply equal to its average diameter, 7915 miles, multiplied by pi, where pi is 3.14159. This gives us an estimate of 25,000 miles for the circumference of the Earth.

The circumference and radius of the Earth, which have since been determined by orbiting satellites, are both quite near to the recognised contemporary estimates of 40,070 km and 6378 km, respectively. Since a circle's diameter is equal to twice its radius, the diameter of the Earth is 12,756 kilometres.

The circumference of the Earth depends on how it is measured. When it is measured around the equator, it is 40,075 km (approximately, 24,901 miles), whereas, if it measured from the north pole to the south pole it is 40,008 km (approximately, 24,860 miles).

To learn more about earth's circumference visit:

brainly.com/question/16759651

#SPJ9

6 0
1 year ago
Which of the following mountain ranges, labeled with the number 2 on the map above, extends over 330 miles and has numerous mine
Ilya [14]
Hello
the balken mountions range over 330 miles

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3 years ago
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How r u today sssssssssssssssssssssssssssss
Ilya [14]

Answer:

I am doing great! How are you today??

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