Why does the author include this in the selection?
A to explain why water is so important to living things
B to prove how water is identified on planets in space
C to show how water compares to other objects
D to argue why water is not always needed for living things
The correct answer is A: to explain why water is so important to living things.
The author likely includes this information to highlight the essential role that water plays in supporting life, helping readers understand its significance for biological processes, environments, and ecosystems. By focusing on water’s importance, the author can effectively convey its necessity for living organisms.