Read this text, which Rhonda is planning to use in an argumentative essay in favor of pet ownership. Many people dont know that owning a pet is actually good for your health, claims Dr. Ella Charmin, who has been a veterinarian for more than twenty years. What type of evidence is this?

A quote.

Explanation:

The authors involve a variety of evidences to substantiate and validate their claim. These evidences may include a quotation, reference, etc. that serve to establish the credibility of a claim. An argumentative essay always require sufficient worthy evidence in order to establish the accuracy and truth of their argument.

In the given example, the kind of evidence that has been employed here would exemplify 'a quote' as it involves the use of quotation marks(") to repeat or restate the claim of Dr. Ella Charmin to establish the credibility of the argument and enhance the reliability of her argumentative essay. Thus, it exemplifies 'a quote'.

because the early people found out about it.