Answer:
helium , krypton,xenon,radon, argon are noble gasses
The answer is D. Okay l hope this helps
N₂O₃
3 moles oxgyen atoms in 1 mole .
hope this helps!
Answer:1 3 4 1 im pretty positive
Answer:
C.
Explanation:
The sun is directly overhead at noon on the equator on the first day of spring, and on the first day of fall. You would have to be less than 23.5 degrees above or below the equator to have the Sun pass directly overhead. Therefore, it never occurs in the continental US.
