Answer
a. observation ( O )
b. observation ( O )
c. hypothesis ( H )
Work Step by Step
a. This statement is an observation, as it describes something that has been seen and measured.
b. This statement is an observation, as it describes something that has happened with facts that were seen or observed
c. This is a hypothesis, as you infer on the possibility, but the situation has not occurred yet, or the inference is not always applicable.