The reaction of automobile exhaust and ultraviolet light

List the air temperatures and dew-point temperatures for Omaha, Nebraska; Dodge City, Kansas; and Oklahoma City, Oklahoma.

On this weather map, note air temperatures in comparison with dew-point temperatures. The air temperatures and dew-point temperatures are noted to the left of each station symbol on the map.
What will be an ideal response?

Groundwater flow is best described by

A. Ohm's law. B. Darcy's law. C. Archimedes' principle. D. Newton's law.

Under which of the following conditions do hurricanes dissipate?

A. when they move over land B. when upper-level outflow of air exceeds surface inflow of air C. when they move over warm water D. when they move into a region of weak vertical wind shear

Approximately, what percentage of Earth's freshwater is frozen?

A) 10% B) 25% C) 50% D) 75%