(PLESE HELP) A 100-m long ski lift carries skiers from a station at the foot of a slope to a second station 50 m above the base. What is the mechanical advantage of the lift? 500

2

0.5

40

2

Explanation:

MA=l/h

The length is 100 and the height is 50

100/50=2

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."