Answer:
A high specific heat of a substance means that a large amount of heat is required to raise the temperature of the substance. ... Water covers around 70% of the Earth's surface and its high specific heat plays a very important role as it is able to absorb a lot of heat without a significant rise in the temperature.
I believe the answer is quite simple.
She must've compared the clothing washed with the new detergent with the old one. Jenny must've looked for stains, odour, etc. These would help determine whether or not the new detergent worked better.
<span>Gel electrophoresis is a technique that allows the DNA fragments to separate according to length.
Hope this helps!
-Payshence xoxo</span>