Answer:
Step-by-step explanation:
Ophelia is using abductive reasoning to conclude that the new strain of bacteria is a type of Streptococcus. Abductive reasoning involves making an inference based on the best available explanation for a set of observations. In this case, Ophelia observes that the new strain of bacteria reacts to UV rays and penicillin in the same way as Streptococcus, and concludes that the best explanation for this observation is that the new strain is a type of Streptococcus.