A. Troposphere
B. Stratosphere
C. Ozone layer
D. Ionosphere
Submitted by: Aamir Hussain Laghari
Correct Answer: Ionosphere ✔
Last Updated: July 26, 2019
A. Troposphere
B. Stratosphere
C. Ozone layer
D. Ionosphere
Submitted by: Aamir Hussain Laghari
Correct Answer: Ionosphere ✔
Last Updated: July 26, 2019