First slide
Where does Photosynthesis take place?
Question

Algae float on water during day time and sink during night time because

Moderate
Solution

During day time they release oxygen from water as bubbles that make them float on the surface of water. During night, there is no release of oxygen and they go down into the water. 

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App