As the amount of water vapor in the air increases, what happens A. The temperature increases
B. The relative of humidity increases
C. The temperature decreases
D. The relative of humidity decreases

B

Explanation:

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."