Population is all animals of the same species living in a certain area; a community is different species living in a certain area.
Endothermic - takes in heat
Exothermic - releases heat
Answer:
Boiling. This is a reliable way to purify water. ...
Use of Iodine solution, tablets or crystals. This is an effective and more convenient method. ...
Use chlorine drops. Chlorine has the ability to kill bacteria in water. ...
Use water filter. ...
Use Ultraviolet Light.
