Answer:
The mass number is defined as the total number of protons and neutrons in an atom. The number of neutrons = mass number − atomic number.
121.75 is really really really really really the right answer... For real
Yeah, it would be B (1.2 x 102 m^3) because the measurement gave it away even though other numbers were higher, however, the measurements for those were smaller in size.
<span>centrosome
thylakoid
(peroxisome)
lysosome</span>
1 meat-eating, predatory, predacious. , hopefully this help :)
