Which two pieces of data indicate that uranus resides in the outer region of the solar system?     it experiences high temperatures and pressures. its surface is rocky enough for people to stand on.  it has tectonic plates, which indicate volcanic activity.  its outer layer is made of hydrogen and helium gas.  it contains faint rings that aren’t visible from earth.

D, Its outer layer is made of hydrogen and helium gas. and E, It contains faint rings that aren’t visible from Earth.

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."