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gizmo_the_mogwai [7]
3 years ago
14

How old is the universe

Chemistry
2 answers:
ehidna [41]3 years ago
5 0
13.8 billion years old
snow_lady [41]3 years ago
5 0

Answer:

The earth is around 6,000 years old. It cannot scientifically be 14 billion years old because earth is slowing down, this means it used to be going faster. This makes it so that carbondating cannot work because of the magnetic field and that if dinasaurs lived millions of years ago they wouldn't have gotten hit by an asteroid, they would've just flew off the earth.

Explanation:

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Both the codons uuu and uuc specify the amino acid phenylalanine. what is the term for this phenomenon?
kaheart [24]

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3 years ago
Na(s)+H2O(l)-- NaoH(aq)+H2(g
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H2, N2, O2 molecules. . . A)must be polar. must be nonpolar. . B)can be polar or nonpolar depending on geometric . C)configurati
LenKa [72]

Answer: The correct option is A.

Explanation: The given molecules are the molecules of same element.

These molecules are considered as diatomic species.

Polar molecules are the molecules in which some polarity is present in the bond. These molecules are formed when there is some difference in the electronegativities of the elements. Example: HCl

Non-polar molecules are the molecules where no polarity is present in the bond. These molecules are formed when there is no difference in the electronegativities of the elements. Example: H_2, O_2

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Hence, these molecules must be non-polar. So, the correct option is A.

6 0
3 years ago
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Volleyball.<br> How would you measure and compare the sizes of the two balls?
creativ13 [48]

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by measuring the circumference, diameter, and radius of both volleyballs.

6 0
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True or false: plants, animals, and the environment are not dependent on each other for the use of carbon and oxygen.
Reil [10]
False; animals breathe in oxygen and they produce carbon dioxide when they breathe out, and plants breathe in that carbon dioxide that the animals produce, and with that the plants create oxygen

They basically just swap oxygen for CO2, or CO2 for oxygen! So the answer is false because they DO depend on each other for the use of Oxygen and Carbon dioxide! Hope this helped :)
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