Answer:
the anwser would be B obtain energy
Explanation:
Answer:
The word radon is derived from radium, of which radon is gas. Early in its discovery it was also called radium emanation and niton, which comes from the Latin nitens, Since 1923, however, it has been called radon.
Answer:
it is (a) USDA certification
Explanation:
apex
I think the answer is C. An element or compound that cannot be physically separated. Sorry if im wrong.
