Many hygrophytes disappear from the pond during summer because – 1. More light is present 2. Plants migrate towards shadow places 3. Plants die because of evaporation 4. CO2 concentration in water is reduced due to high temperature. As a result plants couldn’t perform sufficient photosynthesis.

Many hygrophytes disappear from the pond during summer because – 1.

1.	Many hygrophytes disappear from the pond during summer because – 1. More light is present 2. Plants migrate towards shadow places 3. Plants die because of evaporation 4. CO2 concentration in water is reduced due to high temperature. As a result plants couldn’t perform sufficient photosynthesis.
Answer» 4. CO₂ concentration in water is reduced due to high temperature. As a result plants couldn’t perform sufficient photosynthesis.