Answer:
I think its the Blue wave, im not sure so dont take my word for it.
Explanation:
Demographic Barriers, Occupation, Age, Obesity, <span>
Psychological Barriers</span>
Answer:
Its color
Explanation: I got it right
A. krypton (atomic mass 83.8 amu)
B. argon (atomic mass 39.95 amu)
C. xenon (atomic mass 131.3 amu)
D. radon (atomic mass 222 amu)
hope this helps!