Puducherry PSC · General Studies · General Science
Ecosystems, biodiversity, climate change and pollution.
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Q1 · Environment and Ecology · EASY
What is the primary cause of ozone layer depletion?
Q2 · Environment and Ecology · MEDIUM
Which of the following is a biodegradable pollutant?
Q3 · Environment and Ecology · HARD
Which international protocol aims to phase out substances that deplete the ozone layer?