Which gas is present in the largest quantity in the atmosphere?, Oxygen, Hydrogen, Carbon dioxide, Nitrogen, The layer of atmosphere closest to the earth is called:, Stratosphere, Mesosphere, Troposphere, Thermosphere, Which layer contains the ozone layer?, Troposphere, Exosphere, Stratosphere, Mesosphere, Which gas do plants use to make food?, Oxygen, Carbon dioxide, Nitrogen, Helium, Which of the following helps in maintaining the Earth’s temperature?, Water, Carbon dioxide, Wind, Dust, ______ is needed by living beings to breathe., Nitrogen, Oxygen, Carbon dioxide, Argon, The movement of air from high-pressure to low-pressure areas is called ______., Wind, Monsoon, Storm, Cyclone, The five layers of the atmosphere are: Troposphere, Stratosphere, ______, Thermosphere, and Exosphere., Hydrosphere, Mesosphere, Lithosphere, Ionosphere, Carbon dioxide is used by plants to make food., True, False, Nitrogen is the second most abundant gas in the air., True, False.

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