Illegal dumping of waste anywhere is called  - littering, To litter of is a __________ thing to do. - bad, Global warming is mainly caused by______ pollution. - air, Air pollution can cause diseases such as - asthma, Reusing waste items again is called - recycling, The sun is the biggest ______ in our solar system. - star, The ______ help us to see the world around us during the day.. - see, Day and night is caused by the _______ of the earth. - rotation, The ______ is a natural satellite of the earth. - moon, The moon reflects the light of the  - sun,




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