Which of the gas is the most unsuitable for filling up weather observation balloons ?
Which of the gas is the most unsuitable for filling up weather observation balloons ?
A. Helium
B. Neon
C. Hydrogen
D. Argon
5 views
1 Answers
Correct Answer - D
Argon is unsuitable for filling up weather observation balloons because it is heavier than air.
5 views
Answered