A strong indicator of communicative competence, this is the ability to take into account what the listener might not know.

the answer is d. she became an english professor at university of georgia.

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.

c

explanation: