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CBSE › Class 9 › Science › Exploration: Entering the World of Secondary Science (Class 9 NCERT New)
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1. Which of the following is a producer in an ecosystem?

2. What is the main source of energy for the Earth’s climate system?

3. Which process is responsible for the recycling of nutrients in ecosystems?

4. What is the most important rule when working with electricity in the laboratory?

5. Which of the following best describes the lithosphere?

6. What is the correct way to dispose of broken glass in the laboratory?

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