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Serga [27]
2 years ago
10

The brightness of a star is determined by _____.

Chemistry
2 answers:
Travka [436]2 years ago
7 0

Answer:

Size and Temperature or E & B

Explanation:

BlackZzzverrR [31]2 years ago
4 0

Answer:

it is E and b I hope this helps you

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What two gases have a profound effect on the type of organisms that can live in an area and influences the regions carrying capa
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Answer:

Oxygen and Carbon dioxide

Explanation:

Oxygen is required for respiration whereby energy is released from natural occurring nutrients accompanied by the release of water and carbon dioxide. carbon dioxideis also required by plants to photosynthesise.

Oxygen and carbon dioxide in the troposphere supports life as by enabling respiration in organisms and photosynthesise in plants can. Without oxygen in an environment, only life forms that live by anaerobic respiration will thrive. This affects a regions carrying capacity

3 0
2 years ago
Find the number of chromium ions in 3.5 mol of chromium ions.
Ray Of Light [21]

Answer:

2.1 x 10^24 Cr ions

Explanation:

You  need to multiply the 3.5 mol by the Avogrado's number (6.022 x 10^23) to get your answer.

3 0
3 years ago
What causes this nuclear reaction to occur
IrinaVladis [17]

Answer:

bombarding it with an energetic particle

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8 0
1 year ago
Need help balancing these ​
kari74 [83]
The answer would be 1,3,1,3
3 0
2 years ago
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This element is found in group 1, period 7 and has the lowest mass in this period. *
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