Earthquakes release seismic waves which can move along a sea.
Answer:
Hydrogen
Explanation:
Hydrogen is the only non metal in group on of the period table of elements.
No.of moles of N2O= 0.221g/(14*2+16) =0.005022727moles
no.of moles of N = 0.005022727*2 =0.010045454moles
I’m not sure but I think the answer is substance . Because you can change the temperate of a substance but it will still be that substance . You can change all of these things except the substance itself