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The concentration of oxygen in air decre...

The concentration of oxygen in air decreases as we go up from sea level. Explain briefly.

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BEYOND PUBLICATION-RESPIRATION - THE ENERGY PRODUCING SYSTEM-EXERCISE
  1. The concentration of oxygen in air decreases as we go up from sea leve...

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  2. Read the following flow chart and answer the questions What is the...

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  3. Read the following flow chart and answer the questions In which or...

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  4. Read the following flow chart and answer the questions In yeast wh...

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  5. Read the following flow chart and answer the questions Write the f...

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  6. Read the passage and answer the following questions Name the prot...

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  7. Read the passage and answer the following questions Which carries...

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  8. Read the passage and answer the following questions What compound...

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  9. Read the passage and answer the following questions Haemoglobin i...

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  10. Read the passage and answer the following questions. What are the ...

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  11. Read the passage and answer the following questions. How gaseous ex...

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  12. Read the passage and answer the following questions. What is the im...

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  13. Read the following table answer the following questions. What type...

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  14. Read the following table answer the following questions. Skin is t...

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  15. Read the following table answer the following questions. What is t...

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  16. Read the following table answer the following questions. What are ...

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  17. Exhaled air contains and

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  18. A flap like muscular valve controls movement of air and food is

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  19. Energy currency of the cell is

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  20. Lenticels are the respiratory organs that exist in part of the plant.

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  21. Mangrove trees respire with their

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