2points what is one of the characteristics of a strong theme?

An interesting hook.

Explanation:

That is of characteristic of a strong theme because you want to pull in the reader to read more.

about the letter or who wrote the letter

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.