154k views
3 votes
Which of these is always present in the atmosphere?

User MrSnrub
by
7.1k points

2 Answers

3 votes

Answer:

a

Step-by-step explanation:

User Noel Segura Meraz
by
7.4k points
2 votes

Answer:

Answer C Water Vapor

Step-by-step explanation:

User Rien
by
7.4k points