Answer:
Photosynthesis is the process of where plants and other organisms use sunlight to get foods from water and carbon dioxide. Photosynthesis in a plant involves green pigment and generates oxygen.
Sleep. Melatonin is for sleep
The correct answer is Ganges. It is also known as the Indo-Gangetic Plain and the North Indian Plain.
Volcanic eruptions and/or earthquakes caused by the shifting of tectonic plates
It's either A or C
Both are just wastage of water.
