Dna evidence that is old or in poor condition can sometimes be salvaged and analyzed by using

pcr amplification
gel electrophoresis
dna from the mitochondria instead of the nucleus
rna

answer; i believe the answer is hydraulic action;

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

mark as brainlest

gokuson