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SSSSS [86.1K]
2 years ago
13

What are the advantages of using resources such as geothermal energy, solar energy, and hydropower?

Chemistry
1 answer:
riadik2000 [5.3K]2 years ago
5 0
C. They come from energy sources that never run out.
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The direction will be changed .

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Calculate the normality of a solution containing 147 g of h2s04 in 2L of solution
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How many sub-energy levels does the 2nd MEL have?
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Answer:

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1    | 1st Shell      |      2

2   | 2nd Shell      |      8

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Explanation: cause :)

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3 years ago
Why are isotopes with short half-lives not useful for dating very old rocks?
erma4kov [3.2K]

Answer:

The radioactive isotopes within these brains typically record the ages of the grains-not the time when the sedimentary rock was formed, making it difficult to date using radiometric dating. The half-life of U-235 is 704 million years.

Explanation:

hope this helps but if i'm wrong then i'm sorry..

4 0
2 years ago
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