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Not all of them but they don't need to; they just need to be topgraphically holey, which is why a teacup and a donut share the same number of holes for example.
by zaarn 7y ago
Not all of them but they don't need to; they just need to be topgraphically holey, which is why a teacup and a donut share the same number of holes for example.
- saagarjha 7y agoRight, and the reason a teacup and a donut have the same number of holes is because the former has a handle. Holes that don’t go all the way through don’t count.