Which best describes Alana's error? The motionless ball does not have energy because it
is still
Kinetic energy is not made; it is a result of energy
transformation.
The ball cannot slow down unless someone touches
it.
The energy is not converted; it disappears.

answer; the correct answer is (beta)

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."

im not in connections yet but i might can you some questions. what grade are you in?