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Diano4ka-milaya [45]
3 years ago
13

How does the distance between the planet Earth and the Sun compare with the distances between the planet Earth and other stars?

A. The Sun and all the other stars are the same distance from Earth. B. About half of the other stars are closer to Earth than the Sun. C. The Sun is many thousands of times closer to Earth than any other star. D. The other stars are many thousands of times closer to Earth than the Sun.
Chemistry
2 answers:
Paha777 [63]3 years ago
7 0
I think C, but I could be wrong
Virty [35]3 years ago
4 0

the correct answer is C


The average distance from the Earth to the Sun is approximately 150 million kilometers. Proxima Centauri is the next closest star to Earth, and it is located approximately 40 trillion kilometers away.

It takes only a few minutes for light from the Sun to reach the Earth, but it takes a few years for light from Proxima Centauri to reach the Earth. Also, it would take thousands of years for the fastest rocket to travel from the Earth to Proxima Centauri.  (study Island)


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frozen [14]

Answer:

19.278049929737628457607385688801

Explanation:

Volume = L * W * H

Volume = 17.78 * 9.21 * 4.45 = 728.70441

Density = Mass / Volume

Mass = 14,048

14,048 / 728.70441 = 19.278049929737628457607385688801

Density = 19.278049929737628457607385688801

7 0
3 years ago
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Acetylene is the substance burned in oxy-acetylene torches. Write a balanced equation for the complete oxidation reaction that o
nexus9112 [7]

Answer: 2C_2H_2+5O_2\rightarrow 4CO_2+2H_2O

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products must be same as the mass of reactants.

For the conservation of mass, the number of atoms of each element must be same in reactants and products. Thus we need to balance the reaction by writing appropriate stochiometric coefficients.

All the hydrocarbons burn in oxygen to form carbon dioxide and water.Thus the complete balanced equation is:

2C_2H_2+5O_2\rightarrow 4CO_2+2H_2O

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Larger cells have smaller surface area to volume ratios
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What process is used to produce crystals of a salt from a salt solution
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Explanation:

Hope this helps!

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