IN-TEXT QUESTIONS SOLVED NCERT Textbook for Class 9 Science – Page 162Question 1. How does the sound produced by a vibrating object in a medium reach your ear?Answer: Air is the commonest material through which sound propagates. When…
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IN-TEXT QUESTIONS SOLVED NCERT Textbook for Class 9 Science – Page 162Question 1. How does the sound produced by a vibrating object in a medium reach your ear?Answer: Air is the commonest material through which sound propagates. When…
In-Text Questions Solved NCERT Textbook for Class 9 Science – Page 178:Question 1. State any two conditions for good health Answer: Two conditions essential for good health are: Question 2. State any two conditions essential for being free of…
Page: 193Question 1. How is our atmosphere different from the atmosphere on Venus and Mars? (SA II – 2013)Answer: Our atmosphere contains a mixture of many gases like nitrogen (78.08%), oxygen (20.95%), carbon dioxide (0.03%) and water vapor (in…
NCERT Solutions For Class 9 Science Chapter 15 Improvement in Food Resources Topics and Sub Topics in Class 9 In-Text Questions Solved NCERT Textbook for Class 9 Science – Page 204Question 1. What do we get from…