The most reason for an organism having lipids in its body is to provide energy to the body. The fat molecules in the lipids can supply more energy gram than carbohydrate molecules. The fat molecules are composed of carbon (C), hydrogen (H), and oxygen (O) atoms. I hope this will help!! Have a great day.
I meant two or more it depends
There is never any shortage of drinking water because we have ton of filtration companies that turn river water to clean fresh drinking water.And again you can always drink tap water.Hope this helps!