Yes one can, as a child your mind is more creative hence making more creative changes and bringing in new ideas, besides that you have more energy to put into projects that can change the world, take a look at Greta thunberg at 17. ( can’t spell her name lol) she strives for a safe planet and taking care of rights of animals etc, this is just an example to help u get started.
I do not now what you need help with?
A) deaf
b) drought
c) horizon
d) orphan