Take three test tubes. Fill 3/4th of each with water. Label them A, B and C. Keep a snail in test-tube A, a water plant in test-tube B, and in C, keep snail and plant both. Which test tube would have the highest concentration of CO2?

Take three test tubes. Fill 3/4th of each with water. Label them A, B

1.	Take three test tubes. Fill 3/4th of each with water. Label them A, B and C. Keep a snail in test-tube A, a water plant in test-tube B, and in C, keep snail and plant both. Which test tube would have the highest concentration of CO2?
Answer» Take three test tubes. Fill 3/4th of each with water. Label them A, B and C. Keep a snail in test-tube A, a water plant in test-tube B, and in C, keep snail and plant both. Which test tube would have the highest concentration of CO₂?