Proton is the answer ur looking for. have a wonderful day :) !!
Answer:
to help people breach in fresh air
Explanation:
<span>Once the presence of certain substances in a sample is known, the study of their absolute or relative abundance can help in determining specific properties. Gravimetric analysis yields more accurate data about the composition of a sample than volumetric analysis but also takes more time to perform in the laboratory.</span>
False, m<span>ore massive objects exert a stronger gravitational force.</span>
I think its c. velocity. pretty sure
