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Artemon [7]
2 years ago
9

Describe one way in which a young star is different from a protostar.

Geography
1 answer:
Mariulka [41]2 years ago
5 0

Answer:

Both early protostars and young stars are formed from a clod of gas which collapses under gravity to form a star. Both types of star are mainly Hydrogen and some Helium. They would be 75% Hydrogen, 25% Helium with traces of Lithium. Young stars formed out of the remains of old stars would still be mainly Hydrogen. Another way to say it is Both types of star are mainly Hydrogen and some Helium. Early protostars would have been formed from the gasses that were created soon after the big bang. They would be 75% Hydrogen, 25% Helium with traces of Lithium. Young stars formed out of the remains of old stars would still be mainly Hydrogen.

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What percentage of geologic time is represented by recorded history? (Assume 5000 years for the length of recorded history.)
Ray Of Light [21]

Answer:

only about 20% - 35%

Explanation:

We do not know that much about the earth itself, and people just recently started discovering the earth for what it truly is. Though, we have been recording earthquakes and tsunamis since the early 19th century.

This makes up anywhere from 20% to 35%. It is hard to know the exact percentage for sure.

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How does the biosphere depend on the atmosphere and biosphere to survive?
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Hope this helps...... Stay safe and have a Merry Christmas!!!! :D

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3 years ago
Why does the United States see North Korea as a threat to our national security? How is the government trying to resolve the sit
uysha [10]
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Trump has done very little to resolve this, some would say he is making it worse.

AND as for any current events ask Google!
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3 years ago
What is the role of women in development?​
zheka24 [161]

Answer:

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5 0
3 years ago
Question 19 (1 point)
Rzqust [24]

Answer:

b) A series of stars that form a figure

Explanation:

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They are no figures in the night sky because constellations are starts, therefore they are present during day or night, it's not a term applicable to astrology because this is a pseudoscience not based on facts, like astronomy.

I hope you find this interesting and useful! Good luck!

7 0
3 years ago
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