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ehidna [41]
3 years ago
8

8.What causes an Aurora?

SAT
2 answers:
kkurt [141]3 years ago
8 0

Answer:

When charged particles from the sun strike atoms in Earth's atmosphere, they cause electrons in the atoms to move to a higher-energy state. When the electrons drop back to a lower energy state, they release a photon: light. This process creates the beautiful aurora, or northern lights.

givi [52]3 years ago
5 0

Answer:

When charged particles from the sun strike atoms in Earth's atmosphere, they cause electrons in the atoms to move to a higher-energy state. When the electrons drop back to a lower energy state, they release a photon: light. This process creates the beautiful aurora, or northern lights.

Explanation:

UwU I know this because I'm subscribed to Jacksepticeye, Me Big Brain

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Answer:

Adding ice, adding heat,altering amount of ice and using a different kind of cocoa mix

Explanation:

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3 years ago
Read 2 more answers
Which diagram shows the parallelogram method for vector addition?.
statuscvo [17]

The diagram which shows the parallelogram method for vector addition is shown in the image attached below.

In this scenario, let the two (2) vectors representing the two (2) adjacent sides of a parallelogram in both magnitude and direction drawn from a common point be:

  • u
  • v

The parallelogram law of vector addition states that if two (2) vectors \vec u and \vec v represent the two (2) adjacent sides of a parallelogram in both magnitude and direction drawn from a common point, then their sum \vec{u} + \vec{v} or resultant vector (\vec R) is equal to the diagonal of the parallelogram passing through that point in both magnitude and direction.

Therefore, the diagram which shows the parallelogram method for vector addition is shown in the image attached below.

Read more on parallelogram method for vector addition here: brainly.com/question/18261687

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3 years ago
To what extent were the goals of reconstruction regarding african-americans achieved by 1900?.
Gemiola [76]

Answer: The goals were

ensure citizenship and civil liberties , Provide economic , and Provide education opportunities for former slaves

Explanation:civil right act in 1866

7 0
3 years ago
Given 88. 0 grams of boron, how many atoms of boron (b) are present?
antiseptic1488 [7]

Answer:

4.9 × 10^24

Explanation:

^ means to the power so 4.9 × 10 to the power of 24

5 0
3 years ago
Explain what might happen to tundra animals, such as polar bears, as earths climate warms.
zloy xaker [14]

Climate change and polar bears. Temperatures in the Arctic are rising at least twice as fast as the global average and sea ice cover is diminishing by nearly four per cent per decade. The loss of sea ice affects polar bears' ability to find food, studies show.

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