Details for unit 2810

Title:Earth Atmosphere: our shield from outer space.
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Summary:Without the atmosphere, we will not be able to live on earth. The gases in the atmosphere protect us by blocking out dangerous rays from sun and making earth a perfect habitat for plants and animals. Let's find out what are those gases which supports life on earth.
Language notes:Vocabulary learning.
CEFR level:A1 (5)
Word count:523
Media:video ( 5:33)
Created:2015-04-28 22:05:16 UT
Changed:2015-05-23 10:46:57 UT
Licence: Creative Commons BY-SA
Clicks on words:88 - List of clicked words

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