Hollow
No, it's not. It's 825 feet high solid granite.
Because they are easier to make and adequately strong. There is no point making them solid.
is pituitary gland tubular
thyroid gland
what is the difference between solid and hollow?
hollow
hollow
Hollow
Hollow
Solid
hollow
Q: What type of speleothems is solid and which is hollow?
are hedgehogs spikes hollow
solid.
solid
Hollow dude, its part of your intestines, think about it...