Dna because it’s talking about genomic sequence
The ingredient that Dr.
Jekyll thought that he needed is salt to make another batch of his potion.
However, he found out later that it was not this ingredient but the impurity in
it that was the vital chemical in his potion.
<span>Measurement of heat is done in calories. One calorie is the amount of energy required to raise one gram of water one degree Celsius. To measure heat, you divide the change in temperature of a sample of water by the mass of the water.</span>
I think that the answers the 1st option