Water will boil spontaneously in a vacuum--on the surface of the Moon, for example. Could you cook an egg in this boiling water?
a) Yes, because the egg will cook faster due to the lower boiling point
b) No, because the lack of air pressure will prevent the egg from cooking
c) Yes, because the egg will cook slower due to the lower boiling point
d) No, because the lack of air pressure will make it impossible to heat the egg