state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 English Vocabulary One Word Substitution
The ozone gas that acts like a canopy, protecting you from the harmful ultra violet rays of the Sun is depleting.
Identify the option closest in meaning to the underlined word :
1
a preventive medicine
2
a damage-control system
3
an overhanging shelter
4
a storehouse of gases