Electron, because they’re about 1/2000 the mass of a proton or nuetron
Answer:
8.9 mg/l
Explanation: Temp doesnt matter so throw that out automatically then your equation is;
S1/P1=S2/P2
We are looking for S2 and that equation is;
S2=S1*P2/P1 and that is S2=22.25*1/2.5
A little bit of simple math and you get your answer: 8.9 mg/l
Use a magnet to separate the iron from the sand.
A. <span>the layer of rock and mineral fragments that covers nearly all of Earth's land surface</span>
