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Tcecarenko [31]
3 years ago
15

URGENT! Will give 20 points.

Chemistry
2 answers:
Nataly [62]3 years ago
7 0
Idk why but for some reason the picture isnt ahowing up
Katena32 [7]3 years ago
6 0

Answer:

there is no picture...

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HELP PLEASE !!!!
love history [14]
<span>Answers are:
-4 for C in CH4, because carbon has greater electronegativity than hydrogen and he attracts shared electrons.
</span><span>+4 for C in CO2, because carbon has smaller electronegativity than oxygen.
</span><span>+1 for H in both CH4 and H2O, because hydrogen has amaller electronegativity than both carbon and oxygen. 
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7 0
3 years ago
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Write 10,847,100 in Scientific Notation with 4 significant figures.
masha68 [24]

Answer:

The number 10,847,100 in Scientific Notation is 1.0847x10^{7}

Explanation:

Scientific notation is an easy form to write long numbers and it is commonly used in the scientific field. To write a long number in a shorter way it is necessary to 'move' the decimal point to the left the number of positions that are necessary until you get a unit. Then you write the number and multiplied it by 10 raised to the number of positions you moved the decimal point. In this case, it is necessary to move the decimal point 7 positions so, we multiply the number by 10 raised to 7.

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3 years ago
Do you think genetic engineering is ethical? Explain why or why not.
kirill [66]

Answer:

Yes

Explanation:

One of the top goals of genetic engineering is the improvement of health. Imagine a world without the threat of AIDS or cancer. Those working in the genetics field hope that manipulating the genes of humans will one day enable science to prevent people from contracting these potentially deadly diseases.

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An artificial reef is intended to affect the ocean ecosystem by<br>​
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By strengthening the weak coral that is on the reef.

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What is true about radioactive isotopes of an atom?
attashe74 [19]

Answer: They are less stable

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