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11Alexandr11 [23.1K]
3 years ago
7

I need heLp ASAP

Chemistry
2 answers:
vredina [299]3 years ago
6 0

Answer:

sunspots

Explanation:

because i got it right on the test.

Mandarinka [93]3 years ago
4 0

Answer:

Photosphere

Explanation:

Because it is the visible surface of the sun we are most familiar with.

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Hello

the answer is 43.129310000000004

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Zielflug [23.3K]

Answer:

{ \tt{1 \: km = 1000m}} \\ { \tt{1.5  \times {10}^{8} km =  (\frac{1.5 \times  {10}^{8} \times 1000 }{1} )m}} \\  = 1.5 \times  {10}^{11}  \: metres

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A change in color indicates that what has occurred?
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it's an indicator that a chemical reaction occurred.

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Such examples of substances are non-polar and do not dissolve in water (polar compound). The classic example is oil floating in water (this happens because oil has a lower density than water).

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