Answer: B- Isotopes are often used for dating artifacts and fossils is incorrect.
Explanation: I hope that helped
The amino acid for this should be Arginine. I am not entirely sure.
Cause the Stars Compose the dark matter and so is the Gas and inside of it,it's the Dust
<em>Answer:</em>
<em>Ether:</em>
Ether are organic compounds that contain ether functional group , in which oxygen atom is connected with two alkyl or aryl group.
They have general formula as follow
- R---O---R or R'---O----R or R'---O---R'
while R = Alkyl
R' = Aryl
