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.
everything ranging form military uses to every day uses
Actinium is very rare and expensive; it has not common uses.
prevent goiter
Francium has not uses.
... 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.