Answer:
It happens because the consuming is higher than the water drop rate, or even because there are too many people in a zone where there is not enough fresh water.
I just did this lesson, and the answer is B.
I hope this helps you!
-Mikayla
The study of the weather in these early years is important because it can help students understand that some events in nature have a repeating pattern. It also is important for students to study the earth repeatedly because they take years to acquire the knowledge that they need to complete the picture.
Weather fronts do the same thing - they advance forward, creating weather changes and sometimes even violent storms along the front. ... Thunderstorms are common along cold fronts. This is because when a cold front occurs from a cold air mass moving into a warm air mass, the warm air is forced upward.
Mexico and parts of Central America are prone to earthquakes because they lie on the fault between two tectonic plates