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Tpy6a [65]
2 years ago
5

What do we call a metamorphic rock that has coarse-grained texture, minimal amounts of mica, and contains minerals that are segr

egated into bands
Geography
1 answer:
Rudik [331]2 years ago
8 0

Answer:

Quartzite

Explanation:

It is a coarse-grained metamorphic rock. It's derived from sandstone.

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Briefly explain how physical weathering enhances the rate (speed) of chemical weathering?
nirvana33 [79]

Answer:

Physical weathering enhances the rate of chemical weathering .

Explanation:

Physical weathering is the breaking down of rocks by various processes like freezing and thawing without altering the rocks chemical composition.

While, chemical weathering involves the disintegration and dissolution of rocks by the chemical processes like oxidation , carbonation and solution processes etc.

Generally a fractured rock can easily be weathered by chemical agents rather than a normal fractured rock.

So ,

when a rock is already subjected to physical weathering, the rock will develop cracks on it and when the chemical agents comes in contact with that rock, the chemical solution will penetrate into those cracks and will dissolve the rocks at a rapid rate.

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An observer in Watertown New York would see the star Polaris at an altitude of approximately
Stella [2.4K]

Answer:

41.3°.

Explanation:

An observer in Watertown New York would see the star Polaris at an altitude of approximately about 41.3°. Those people who lives in north pole, the star Polaris present over their head because star Polaris is present in North pole so people of other regions can see them from different altitudes. The New York city also present from north pole so the person see the star Polaris from an altitude of 41.3°.

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3 years ago
Volume of a sphere when the radius is 72
Sergeu [11.5K]

Answer:

...

Explanation:

V= 4/3πr^{3}

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V= 1563457.566 u³

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Which of the following statements is correct?
MaRussiya [10]

Answer:

4. Fossils form in sedimentary rocks

Explanation:

  • A <u>fossil expresses the traces or is the remains</u> of prehistoric plant or animal that has died and its body part has been carefully been imprinted on to the surface of the rock that is sedentary as they have the characteristics of the mineral preserving qualities.
  • There age , method of formation and evolutionary significance can be well established by the fossil remain in rocks that depict there occurrence throughout the carbon dating of the rocks.
  • The <u>process that leads to the formation of fossil is Personalization, casts and molds, recrystallization and Carbonization</u>. Tracing a fossil consisting of digging out the track and burrows.
  • Some fossil is found in deposits of resins which complete preserve the fossils from erosion process.
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3 years ago
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