Alguns aquíferos próximos das zonas costeiras encontram-se salinizados Esta situação resulta normalmente da: a. Da presença de rochas de sal-gema. b. Da entrada de água do mar por sobre-exploração do aquífero

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."

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

i think the answer would d