Because metamorphic is created by a igneous or sedimentary rock heating up and changing into a metamorphic rock
Answer: DNA bases are A,T,C,G and here we have U which is not a DNA base therefore being an RNA strand. RNA bases are A,C,U,G.
Answer:
Structure A is the most stable since the negative charge is anticipated to occur on the more electro-negative atom and Nitrogen is more electro-negative than sulfur hence structure A is preferred.
Explanation:
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1- [:S=C=N:]
Structure A.
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2- [:S-C≡N:]
Structure B.
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3- [:S≡C-N:]
Structure C.
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