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Sati [7]
2 years ago
6

The inner planets mercury, Venus, earth, and mars were formed by

Geography
1 answer:
VikaD [51]2 years ago
7 0

<u>ANSWER:</u>

  • About some billion years ago, dust and gas particles began orbiting around the sun.
  • These particles then began to stick together and formed large particles. Slowly, these particles began attracting more mass with their gravity.
  • After millions of years, these particles became planetesimals. They started revolving around the sun in their own orbit and formed spherical shapes.
  • This continued for another millions of years and thus planets were formed.

<u>EXPLANATION:</u>

  • The inner planets are the four planets that are closest to the sun. The inner and outer planets are separated by asteroid belts.
  • The "inner planets are terrestrial" and rocky whereas the "outer planets" are mostly gas.
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Murljashka [212]

Answer:

The Southeast Asian islands of Borneo and Sumatra, located on the Equator, are home to some of the world’s most diverse rain forests and Southeast Asia’s last intact forests. Borneo is the world’s third largest island, covering an area slightly larger than Texas. Sumatra is the world’s sixth largest island. The islands’ tropical climate and diverse ecoregions have created habitats that house thousands of unique species and the world’s last remaining Sumatran tigers, orangutans, Bornean elephants, and Sumatran rhinos. Massive rivers cut across the landscape. These are the islands’ lifelines, offering transport and and providing the freshwater needs for the islands’ people.

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3 0
3 years ago
How do we define time globally?
astra-53 [7]

Answer:

longitude and latitude grids mark the globe for points of reference to the foot in degrees. then the globe is divided with alphabetical letters starting with a in greenwhich or 0000hours then moves around the globe from the 0 hour to the right until it reaches one hour before itself itself 2400 later so each zone is assigned a letter of the alphabet a-b-c and the hour is in conjunction with the letter so a=0 b=1 c=2 and so on until x is 2400

Explanation:

5 0
2 years ago
Which best describes why subsistence farming was forced to evolve in the late 20th century?
abruzzese [7]
E. growing and urbanizing populations needed to be fed
8 0
3 years ago
Choose the 2 reasons some atoms are radioactive. a. the number of additional neutrons of an isotope is too large b. the nucleus
uranmaximum [27]

Answer:

The correct options are: a. the number of additional neutrons of an isotope is too large; d. the number of additional neutrons of an isotope is too small

Explanation:

The chemical elements that have the same number of protons in the nucleus but different number of neutrons are known as isotopes. Isotopes can be stable or unstable.

The isotope having an unstable nucleus, due to the presence of additional neutrons in the nucleus of the atom, is known as a radioisotope.

Also, chemical elements that have atomic number greater than 83 have unstable nuclei and thus they are called radioisotopes.

6 0
3 years ago
If Earth's atmosphere did not contain greenhouse gasses and was only composed of Nitrogen and Oxygen, by how much would Earth's
Flauer [41]

Answer: 1- Option (D)

              2- Option (A)

Explanation:

The green house gases plays a significant role in the earth's global temperature. In absence of green house gas, the earth would have been very much cold and life would would be difficult to exist. The average global temperature would have been about -15°C to 25°C. So the most favorable answer given here is that the<u> earth's temperature would have decrease by about 60°C</u>.

<u>Carbon dioxide (CO₂) is not the most abundant green house gas</u>. It is the second most abundant. The present composition of CO₂ in the atmosphere is about 0.04% by volume. A small increase in the CO₂ level, can lead to a global rise in the temperature. Hence, <u>the above statement is false.</u>

6 0
3 years ago
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