Pebbles: "
A pebble is a clast of rock with a particle size of 2 to 64 millimetres based on the Krumbein phi scale of sedimentology. Pebbles
are generally considered larger than granules (2 to 4 millimetres
diameter) and smaller than cobbles (64 to 256 millimetres diameter).
"
Yeah, but can he eat 50 cobbles?
Yeah, but can he eat 50 cobbles?

