Which statement would be an effective

your answer is c) experiments with water vapor showed that elements combine in specific proportions.

let's think

what are some attributes about yourself that has changed?

have you had goals that you've been trying to reach, goals you've thrown away?

how do you view your character; what or who has changed it?

what stories do you have about people or things that have changed you?

has religion changed you? an exciting event?

do you believe life has an adventure in store? do you believe it's meaningless?

try to answer questions about yourself.