B
Please help
Sorry I need 20 characters to submit this Answer that’s why I’m adding more words
They're metals and they are in the same group/family
City B. Higher altitudes have lower boiling points due to lower atmospheric pressure at higher altitudes
Answer:
H- hydrogen
Explanation: Hydrogen is in the first group meaning that it only has 1 valence electron and 1 energy level
It's the eye because it's the organ of sight
