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Alenkasestr [34]
3 years ago
9

Explain, in your own words, how auroras form in the ionosphere.

Geography
1 answer:
Zepler [3.9K]3 years ago
4 0

Answer:

The ions of the solar wind collide with atoms of oxygen and nitrogen from the Earth's atmosphere in the ionosphere. The energy emitted during these collisions creates an aurora, which is a colorful glowing halo around the poles. When the solar wind is the strongest, the auroras are the most active.

Explanation:

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________, which tells us how wet air is, is the actual water content of the air compared to how much water the air could potenti
Mekhanik [1.2K]

Answer:

Relative humidity

Explanation:

Relative humidity -

It is the value of the ratio of partial pressure of water vapor to the vapor pressure at the equilibrium stage of water at a particular temperature , is called the relative humidity .

The value of relative humidity depends on the pressure and temperature of the system .

It helps to determine the amount of wet air in comparison to the the amount of water the air can hold to .

3 0
3 years ago
13. What is the order from north to south in which the major ecosystems of Russia stretch across the nation?
Stolb23 [73]

Answer:

taiga, tundra, medved

Explanation:

5 0
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The chain of Hawaiian islands can be used to calculate the rate of movement of the Pacific Plate over the last few million years
m_a_m_a [10]

Answer:

9 cm per year

Explanation:

By measuring the length of the volcanic chain and the time interval between the formation of the oldest structure and the youngest structure, an average speed of plate movement can be calculated.

6 0
3 years ago
Steven and Maria are conducting a research project on the Middle East. They are considering the advantages and disadvantages of
Grace [21]

The correct answer is C. American intervention remains unpopular among some Afghan groups.

Explanation

An argument is a way to express oral or written reasoning to demonstrate the validity or invalidity of an estate through its relationship with a set of conclusions. Therefore, it can be said that an argument to demonstrate opposition to the establishment of US troops in Afghanistan is "C. American intervention remains unpopular among some Afghan groups" because this shows a negative conclusion of said action.

6 0
3 years ago
1
erastovalidia [21]

Answer:

C. political

Explanation:

A region is a place or territory that is on control by a particular person or organization.

A region that is administered by the United States government is an example of a political region.

This is because, a political region is a physical territory that is owned or controlled by the United States government, which makes it political and sovereign.

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3 years ago
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