What is the MAIN purpose in monitoring the hydrosphere?
A. Even though the Earth is mainly covered in water, only a small percentage is usable.
B. The Earth is ¾ covered with water so we need to know where the water is located.
C. Water is a life sustaining force and we need to keep track of all the water on Earth.
D. Both a and b
Answer:A
What is the MAIN purpose in monitoring the hydrosphere?
A. Even though the Earth is mainly covered in water, only a small percentage is usable. B. The Earth is ¾ covered with water so we need to know where the water is located. C. Water is a life sustaining force and we need to keep track of all the water on Earth. D. Both a and b