Use the passage to answer the question.

A wolf pack may have as many as twenty wolves. By three weeks of age, wolf pups are able to play. Most packs are led by an adult male and adult female. The average size of a wolf litter is around four pups.

Which type of evidence does the author use to develop an argument?

(1 point)
Responses

statistics
statistics

testimonials
testimonials

expert opinions
expert opinions

facts

The type of evidence the author uses to develop an argument in the passage is:

facts

These are straightforward statements of information about wolf packs, wolf pups, pack leadership, and litter size, presenting observable realities that can be verified through research and observation in the field of wildlife biology.