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Marina86 [1]
3 years ago
10

Why does mantle convection occur?

Geography
1 answer:
Fiesta28 [93]3 years ago
4 0

Explanation:

Convection occurs in the Earth's mantle because it is the most efficient way for the Earth to cool or dispose of its deep-seated heat content. In general, heat can be transferred by conduction, radiation or convection.

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Why do stars appear in different parts of the sky during different months?
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Earth Makes Star Positions Change and Constellations Are Not Constant

Explanation:

As the planet rotates, the moon and stars appear to move across the sky just the way the sun does during the day.

Stars that you see at night belong to the Milky Way galaxy. The sun sits on one of the galaxy's arms and rotates around the center of the galaxy. Other stars in the galaxy follow their own orbits as well.

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3 years ago
He artic and the antarctic has different variations of day and night do you agree
AysviL [449]

Answer:

The Arctic and Antarctic have the same variations of day and night, but they are in opposite parts of the year.

Explanation:

The Arctic is the region at and around the Northern Pole, while the Antarctic is the continent at and around the Southern Pole. These are the two coldest areas on Earth, and even in what is considered summer the temperatures are very low. They have a lot of similarities but also some differences.

One feature that falls in both categories, similarity, and difference, are the variations of day and night. The similarity is in the fact that both regions experience sunlight constantly for half a year, and then experience night constantly for half a year. The difference though is in the fact that they occur in opposite parts of the year. When the Arctic has half a year of light, the Antarctic has half a year of night and vice versa, and this is due to the tilted axis of Earth.

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3 years ago
Review the worksheet below. and the interactive 3D structure model. Complete the three statements below by filling in the strata
Marina86 [1]

Answer:

1. horizontal

2. vertical

3. inclined

Explanation:

         The strata are defined as the layers of various rocks. It may be sedimentary rocks, igneous rocks, etc. The orientation of the strata determines the position of the rock layers or the altitude of the rocks in the three dimensional spaces in the earth's crust.

In the context,

           The outcrop pattern of the horizontal strata are cut by the stream canyons that are parallel to the canyon walls. And the outcrop pattern of the vertical strata are cut by the stream canyon that makes an apparent straight line that crosses the canyon.

           While the pattern of the inclined strata that are cut by the stream canyon which makes the apparent V shape and is pointing in dip direction.

          This is because as per the rules of the V's, the inclined beds or the dipping are incised with the streams or valleys or canyons, it makes a "V" in dip direction. But when the strata have a vertical dip, then it does not make a "V". And when the beds are horizontal, it will be parallel and will follow the contours.

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