Proton mass = 1.672 x 10^-27 kilo. So the approximate mass of a proton would be 1 g or kg.
I don’t know not really sure just need the point sorry
Deposition. Particles settle to the bottom of still water after being eroded.
Answer:
the newspaper one is a chemical change because the chemicals in the paper have reacted with something and turned a different color. the wax one is a physical change because it is a change in the phase of matter, which is always a physical change (still the same substance chemically)
