<span>#1 is air radon, #2 is x-ray, #3 is ground, #4 is cosmic radiation, #5 is TV tube, #6 is weapons test fallout . That's all I got hope I helped!</span>
Answer:
protons and neutrons- second choice
Answer:
If you add water to sulfuric acid, it can boil and spit and you may get a nasty acid burn.
Explanation:
Answer:
Hydrogen has only 1 valence electron in its outermost shell.
Explanation: