Questions - Ozone gas is important to mankind because it | Studio Exams - Online Exam and Course Learning

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Q:1) Ozone gas is important to mankind because it

Areleases Hydrogen in the atmosphere
Bmaintains the temperature of the earth
Crelases Oxygen in the air
Dcreates a protective coverage against the Ultra Violet Rays.

Answer:

D

HP TGT ARTS 2017

General Knowledge

HP TGT ARTS 2017

Exam Group:

Department of Higher Education

State:

Himachal Pradesh

Series:

Year:

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