The process of constructing an mRNA molecule from DNA is know a transcription. The bases pairing rules ensure that the DNA code is conserved in the sequence in the mRNA
A thermometer may be used as a scientific tool for recording the temperature changes in substance, that is undergoing the phase change. For example, we can measure the temperature of ice which is melting down and becoming liquid, from solid.
I think the answer is Carbohydrate.
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Answer:A.Human geographer.
Explanation: