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Veseljchak [2.6K]
3 years ago
7

Porque el hidrógeno y el helio son comunes en todas las estrellas?

Geography
1 answer:
galina1969 [7]3 years ago
4 0

Lo siento, este en ingles

Explanation:

Hydrogen and helium are found in all stars. Ninety percent of all atoms in the universe are hydrogen atoms and fusion reactions fuel stars, resulting in the formation of helium and higher atomic number elements. This is the case because of the Big Bang, when temperatures were so high that only energy could exist.

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Earth has earthquakes because of the plate tectonics that move underneath earths surface.

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Answer:

increases, angle, 10 parsec

Explanation:

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Keeping lakes and rivers free of pollution.

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