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Paladinen [302]
3 years ago
14

How does the temperature change throughout the cycle of a massive star?​

Biology
2 answers:
Rudiy273 years ago
5 0
Once massive stars reach the red giant phase, the core temperature continues to increase as carbon atoms are formed from the fusion of helium atoms. Gravity continues to pull together the carbon atoms in the core until the temperature reaches 600,000,000 degrees Celsius. I Hope this helped you!
Oksi-84 [34.3K]3 years ago
5 0

Answer:

I believe that this temperature increases like alot

Expansion- requires alot of heat and combustion, making the star hotter as it grows. unless it collapses on itself..

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4 years ago
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Brut [27]

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Although the question is incomplete, missing options are

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  • In 1996, they planted more trees to curb water pollution.
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Correct option: <em><u>In 1996, they planted more trees to curb water pollution. </u></em>

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Among given options, a clear trend of nitrate level can be seen. <u>Initially, the nitrate level increased in water in first two years (1994 and 1995) and then it decreased significantly</u>.

From the conditions given in the question, the most probable answer is B the plantation effect (<u>phytoremediation</u>). During phytoremediation, <u>plants take up nutrients including nitrate</u> from the water via roots. This nitrogen is then used for the growth and development of plant body mass (e.g. amino acids). As more plants were growing in later years, higher reduction of nitrate was seen. Resultantly, in 1997, the concentration of nitrate was dropped to 7.3 mg/L.

The other options are not correct due to following reasons.

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C. There is no information on people's behavior on drinking water lifestyle.

D. Nitrate in the water cannot be smelled or tasted.

8 0
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