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Why is oxygen considered vital in the Earth's atmosphere?a)It helps in protecting Earth from meteorite impacts.b)It is essential for the survival of living beings as it is used in respiration.c)It causes the greenhouse effect, regulating the Earth's temperature.d)It is responsible for the formation of clouds.Correct answer is option 'B'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Why is oxygen considered vital in the Earth's atmosphere?a)It helps in protecting Earth from meteorite impacts.b)It is essential for the survival of living beings as it is used in respiration.c)It causes the greenhouse effect, regulating the Earth's temperature.d)It is responsible for the formation of clouds.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why is oxygen considered vital in the Earth's atmosphere?a)It helps in protecting Earth from meteorite impacts.b)It is essential for the survival of living beings as it is used in respiration.c)It causes the greenhouse effect, regulating the Earth's temperature.d)It is responsible for the formation of clouds.Correct answer is option 'B'. Can you explain this answer?.

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