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igor_vitrenko [27]
2 years ago
12

1. Explain how and why stars appear to move through the sky throughout the night. Then, explain why Polaris does not move.

Chemistry
1 answer:
Bas_tet [7]2 years ago
3 0
Polaris the north star is very bright and it doesn’t move
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There may be too many plants present or too few animals in the biodome hence the decrease in carbon dioxide .

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The term biodome refers to an artificially buit ecosystem. We must recall that an ecosystem is a self sustaining unit in which materials and energy are exchanged.

If there is less carbon dioxide in the biodome then it means that there are too many plants present or too few animals in the biodome.

Learn more about ecosystem: brainly.com/question/1673533

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6 0
3 years ago
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The question ask for the percentage of the abundance of galium-69 where there is two isotopes of galium: the 69Ga and the 71Ga. The average atomic mass of gallium is 69.723 amu. So the formula would be <span>69.723amu=(%x)∗(68.926amu)+(1−%x)∗(70.025amu) and the answer to this is 1.58%</span>
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Organic foods do not contain chemicals.<br><br> True<br> False
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