It is a quantitative observation because <u>quantitative</u> data deals with values and numbers like height, weight, body temperature, etc.
The question also states that the biologist determines that the body temperature is 29⁰C, this is classified as an observation.
Hence, the answer is B, because the data is quantitative (as it contains numerical values), and the biologist observed this, most likely through a series of test.
Don't mark me brainliest because of this but I'm pretty sure your supposed to give us the words because teachers don't give you things like that without the words you will the answer in with.
