Showing posts with label animal quiz. Show all posts
Showing posts with label animal quiz. Show all posts

Monday, 21 November 2016

Environment Quiz 19

Environment Quiz 19 1. Earth's atmosphere is divided into layers. The aeroplanes usually fly in the layer Mesosphere Troposphere Stratosphere Thermosphere 2. A tiny number of gases in the atmosphere are able to trap heat around Earth and they are called Green House Gases. The most common greenhouse gas in the earth is Water vapour Carbon dioxide Methane Nitrous oxide 3....

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മലയാളം പ്രശ്നോത്തരി

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