How can mass volume and density change? If the volume of the earth remains the same then there's a chance that the density will decrease. But in the question out of the three variable u have one known and 3 unknown. How can u solve it?
Whenever u feel bad go for math
if u feel too bad
imagine your rival competeing u
U will be energetic like never before
Moderation Team
![[Post New]](/templates/default/images/icon_minipost_new.gif){kind=icon}
![[Up]](/templates/default/images/icon_up.gif "[Up]"){kind=icon}
156
