Answer
a. observation ( O )
b. hypothesis ( H )
c. observation ( O )
Work Step by Step
a. a patient breaking out in hives, as well as the fact that it occurred after the patient received penicillin, are two observations which have been noted to have occurred.
b. This statement is a hypothesis because a prediction has been made as to what happened in the past that is not necessarily observed to be happening at present.
c. This statement is an observation, as it describes something that has happened with facts that were seen or observed.