info@mcqsprep.com
Login
Ask Question
Home
PPSC
Subjects
Forum
Contact
Quiz
PPSC PAST PAPER 55
The thinning of ozone layer is resulting due to chlorofluorocarbons, which are used in:
Subject: GENERAL KNOWLEDGE
Electric heaters and washing machines
Spray cans and refrigerators
Cigarette lighters and air conditioners
none of these
Correct Answer: Spray cans and refrigerators
×