Forming a hypothesis is accomplished deductive reasoning abductive reasoning inductive reasoning subjective reasoning

The correct answer is inductive reasoning.  

A method of reasoning in which the premises are observed as providing some kind of proof for the certainty of the conclusion. While there is certainty in the conclusion of a deductive argument, and there may be a likelihood in the truth of the supposition of an inductive argument, on the basis of the given proof.  

In inductive reasoning, a conclusion is drawn from various observations regarding a probable common reason and generating a general rule.  

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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