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mr Goodwill [35]
3 years ago
9

What are the two main gases found in earth's atmosphere?

Geography
1 answer:
Kruka [31]3 years ago
4 0
Hello there!

Your question: What are the two main gases found in earth's atmosphere?

Your answer: The two main gases that are found in the earth's atmosphere are: 

1) Oxygen

2) Nitrogen.

Hope this helps! :3
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Where is the colosseum located?
monitta

Answer:

The Colosseum is located in Italy.

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Two contour lines that are close together show a steep slope, true or false
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The answer is true.

If they're close they're steep
If they're far the slope will be gentle
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Describe the formation, characteristics, and minerals present of the following rocks:
SOVA2 [1]

Explanation:

Serpentine

  • Formation: it forms through serpentinization, a geological low-temperature metamorphic process where low-silica mafic and ultramafic rocks are oxidized and hydrolyzed with water into serpentinite.
  • Characteristics: rich in magnesium and water, light to dark green, greasy-looking and slippery feeling. It can resist the transfer of heat. A source of asbestos, architectural stone, ornamental stone, gem material
  • Minerals present: it follows the formula (X)2-3(Y)2O5(OH)4 where X  can be magnesium, iron, nickel, aluminum, zinc, or manganese; and, Y will be silicon, aluminum, or iron.

Green Schist

  • Formation: they form by regional metamorphism of mafic igneous rocks through depth of burial, and proximity to batholiths.
  • Characteristics: The green is due to abundant green chlorite
  • Minerals present: actinolite and epidote mainly, but they can also include quartz, orthoclase, talc, carbonate minerals, and amphibole.

Basalt Pillow

  • Formation: it forms when lava of basaltic compositions erupted underwater. The rapid cooling of the lava forms the pillow-shaped bodies.
  • Characteristics: they are volcanic igneous rocks, very dark, almost black color.
  • Minerals present: Basalt has a lower percentage of silica and a higher percentage of iron and magnesium than other volcanic rocks.

Umber

  • Formation: it develops in Cyprus massive sulfide deposits.
  • Characteristics: is not one precise color, but a range of different colors, from medium to dark, from yellowish to reddish to grayish depending on the iron oxide and manganese in the clay
  • Minerals present: contains iron oxide and manganese oxide and sulfide precipitates like pyrite.

I hope you find this information useful and interesting! Good luck!

3 0
3 years ago
Which of the following countries has gained attention and money due to the discovery of oil?
agasfer [191]
The correct answer would be B. Nigeria
4 0
3 years ago
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Why are cocoa beans fermented?​
Ket [755]

Answer:

Why are cocoa beans fermented?

Explanation:

Cocoa beans are fermented so as to destroy the seed coat, kill the germ and give the cocoa a good taste.

7 0
3 years ago
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