Environmental Science MCQs
Practice free Environmental Science multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 937 questions — no login required.
Question 811medium
The most abundant greenhouse gas in the earth's atmosphere:
Question 812medium
Frost forms when:
Question 813easy
A narrow valley with steep sides is known as
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Question 814medium
The temperature to which air must be cooled in order to become saturated is the:
Question 815medium
The lowest temperature that can be attained by evaporating water into the air is known as the:
Question 816easy
_________ is a source of all minerals.
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Question 817hard
_________ energy is the energy stored within the earth.
Question 818medium
The largest brackish water lake situated in Asia is in Orissa. Which is the lake?
Question 819hard
IUCN is also called as