Phobias: Fear of heat?

Questions

[pot luck] whixh expensive red spice is extracted from the crocus flower?

[pot luck] what is is the term for copying someone elses work?

[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?