HCS · General Studies (Paper I) · General Science
Ecosystems, biodiversity, climate change and pollution.
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Q1 · Environment and Ecology · HARD
Which international protocol aimed at phasing out ozone-depleting substances was adopted in 1987?
Q2 · Environment and Ecology · EASY
What is the primary greenhouse gas responsible for global warming?
Q3 · Environment and Ecology · MEDIUM
Which layer of the atmosphere contains the ozone layer that protects Earth from harmful UV radiation?
Q4 · Environment and Ecology · EASY
Which of the following is a renewable source of energy?