Answer:
compare what he has found with other things that are known about the physical world
Explanation:
Good luck <3
I would say it's A and C, because it's good to use key words, but you always wanna keep your search general, with key words, hope this helped :)
Answer:
the answer is 15 gon
parce que la moitié de 25 ses 15 donc si on calcule aa fait 15 enft jsp jfait sa pr les points