Science, asked by Anonymous, 7 months ago

Please solve this exercise of class 6th...

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No irrelevant answers...

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Answered by manvirjosan45

1

Answer:

water and air

oxygen and carbon dioxide

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Answered by shivanshdwivedi3268

1

1. Animals , oxygen

2. O2 , CO2

3. Passes , a solid

4. Increase their population , their new

5. Breaths

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