Answer: The noble gases are a group of chemical elements that make up Group 18 on the periodic table. These gases all have similar properties under standard conditions: they are all odorless, colorless, monatomic gases with very low chemical reactivity.
Answer: A y B son correctas
Explanation:
Answer: She should Avoid Contact with other people's bodily fluids.
Explanation: Hope that helps! (:
By their activity in the soul