You use them in thermometers.
to see
uses pencils every day.
Rechargeable flashlights. Some TV's. A wrist watch.
No
On Mercury, just like on Earth and on every other planet, the sun is rising somewhere every minute of every day.
Actinium is very rare and expensive; it has not common uses.
everything ranging form military uses to every day uses
Francium has not uses.
prevent goiter
... It's pointless.
Things like semi-trucks and some trucks and every day vehicles use diesel fuel.
It takes about 88 of our days to orbit the sun.