If you do not know an answer to a question during the interview, it is best to

If you are asking if that is a sentence explaining how to use the word Best I would say that's correct.

Explanation:

If not I don't know

remain confident but be honest and say you do not know

Explanation:

i think there should be answer choices

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.