After the last ice age, stranded ice blocks left behind by the continental glacier melted and formed

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

What happens during the experiment stage of the scientific method

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.