Which of the following is NOT a method of reducing HVAC usage? A Installing a programmable thermostat
B Applying window film to reduce solar heat gain
C Reducing use of outdoor air
D Improving a building's insulation

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."

the answer is c.

by: nicholas dooley