<span>The number of protons plus the number of neutrons is called the mass number.</span>
I believe the answer is B
Answer:
Uhh-
Explanation:
Bruh there's no pic so ... I dunno lol. Just in case this helps you, hypothesis means an educated guess. There's different meanings, for science it's an idea. But mostly it means guessing.
I didn't help Ik XD
And
Sorry
I
Couldn't
Helppp
.............
:(