In fact it could be smooth or bumpy, it mostly depends on what foods you eat.
Bumpy. It has a very rocky texture, so it wouldn't be very smooth. Venus is a bumpy planet.
Argon is a gas and, like any gas, it is neither smooth nor bumpy.
Smooth
They are smooth and soft.
Slimy and smooth
no
smooth as a baies foot
bumpy and smooth
bumpy yet smooth.
bumpy, rugh
It is rockey,bumpy,and not smooth
Yess it is not smooth DURGHH