Misc: In 1921 Prince Philip---------- , Greece, current Duke of Edinburgh, born. ?

Questions

[pot luck] what substance found in the human body is also used in the manufacture of matches?

[pot luck] which of the following does not live under water sea cucumber, sea urchin or sea pink?

[pot luck] if all the water in the air fell at the same time what depth of rain would cover the earth?

[pot luck] what type of animals are porcine?

[pot luck] from what tropical disease did oliver cromwell die?