Which best describes the pattern seen between planet diameter and density? If planets have a high density, they tend to have a smaller diameter.
If planets have a high density, then tend to have
a larger diameter.

There is no pattern between planet density and diameter.
NAVEDO
D

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."

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs