Answer:
The answer to your question would be Option 3.
PCR generates more copies of a DNA sequence in less time than cloning.
Explanation:
PCR creates copies exponentially, creating many copies in a short amount of time.
Answer:
Earth worms breath through their skin
Well, the COD determines/indicates the amount of oxygen which is needed for oxidation of all organic substances in water in mg/l or g/m^3.
Answer:
quantitative data
Explanation:
Quantitative data involves numbers and measurements.
It’s number 1 because solids don’t have large spaces and they don’t take the space of container like liquid and gas would and they have low kinetic energy