Punjab Police Department Papers - 2019 :: Discussion


53.Why is the Ozone important for mankind?
A.Protection from UV rays of sun
B.It releases oxygen in the air
C.It maintains temperature of the earth
D.It releases hydrogen in the atmosphere
Answer:  Option  A
Explanation:

Tutorial Link:
Published by:Michael Daani

Comments are not available

Post your comments here:

Optional

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers