Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Stem basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures.
What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?

One of the properties of an air mass is that an air mass has similar temperature and moisture properties throughout it.
Which of the following is true regarding the properties of an air mass?

Mercury is the one metal that melts below room temperature.

Name the one metal that melts below room temperature?