70
QuizMultiple Choice

Unit Test — Unit test

Question 70 • TX-Environmental Systems-BCAS

Which of the following best describes the availability of freshwater on Earth?

Answer
A
Less than 1% of Earth’s water is liquid freshwater.
B
More than two thirds of Earth’s freshwater is stored in glaciers and icecaps.
C
99% of liquid freshwater on Earth is stored as groundwater.
D
All of the above.

Explanation

Less than 1% of all Earth’s water is liquid freshwater. Of Earth’s freshwater, more than two thirds is frozen in glaciers and ice caps, and nearly all liquid freshwater is groundwater. Since statements a, b, and c are all accurate, the best answer is “All of the above.”

AI-written and checked against the verified answer.