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Science can get difficult; make it easy for your child to learn concepts in Science with Learner's Note's FREE learning resources for grade 7 Science learners. Get complete access to Science textbooks, solutions-sheets, question banks and more for the best preparation ever. Help your child head towards the world of Science with our Grade 7 CBSE Science solution-inspired repository.
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Class 7
Science :- Winds, Storms and Cyclones_Part2

Why does smoke always rise up?

  • Because it's lighter than air


  • Because it’s heavier than air


  • Because it is not affected by gravity
  • Because it is repelled by the earth

    • Answer:

    Because it's lighter than air


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