Answer: (A) the answer is 8
Explanation:topaz on the scale is no 8, followed by corundum no 9 and then diamond which is the hardest on no 10
It would be A.Evaporation and Condensation
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Answer:
The correct answer is They both contain carbon ,but only nucleic acid contain phosphorous
Explanation:
Carbohydrates are also called polyhydroxyaldehydes or polyhydroxyketones.Carbohydrates contain carbon,hydrogen and oxygen.For example glucose(C6H12O6).
On the other hand nucleic are composed of nucleotides that contain nitrogen base,ribose sugar and phosphate group.
The presence of phosphate group in the nucleic acid make it different from carbohydrate.
Answer:
The answer is, D. Aphotic.
