The term run-off refers to_____________________.

Flash floods are characterized by [1] moving water that often begins [2] a large rain storm in Zone [3] because this zone typically has [4] valleys and little place for the water to go but down. However, where the slope of the stream is [5] and the valley is [6], the velocity of the water is [7] because it is able to spread out and flooding often occurs after the storm.

Both the northern and southern hemisphere have [1] vertical circulation cells.

In the troposphere, change in wind direction with altitude is called [1], and change in wind velocity with altitude is called [2]. 

La Niña conditions result in [1] in the western Americas AND [2] in western Pacific countries.

Cold fronts are often associated with thunderstorms and severe weather because_______________________.

In this graph comparing average female heights across countries, what makes the visualization potentially misleading?

Giving a test to a group of students, the grades and gender are summarized below:     If one student is chosen at random, find the probability that the student was male.

Match characteristics of the magma formed to the tectonic setting.

Of the following locations, where will the wave height of a tsunami wave be greatest?