Why are rivers still able to flow during

Probably because a drought does not mean that water disappears.

Turning off the faucet doesn't mean that water can't go down the drain, right?

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."

silt loam

hope this