Misc: What name did sailors give to the southern tip of Africa?

Questions

Nanotechnology has produced a guitar no bigger than a ______ ?

The smallest guitar made by Nanotechnology is _________ long, has six strummable strings?

Natural gas has no?

Penicillin causes about ________ deaths in the United States every year?

Forget-me-not pollen grains are so small that _______ of them can fit on the head of a pin?