Answer:
Radium is used to produce Radon
Explanation:
Radon is a gas used to treat cancer (certain types).
Answer:
C a sour tasting substance
Explanation:
The taste of an acid does not matter. An acid is an aqueous solution meaning that it is solvent in water.
Type in the Eye lins it will help
here is an attached photo with a detailed explanation, good luck!
I would say the first three. But I'm not 100% sure. I'm truly sorry if it's wrong