What is the very bottom soil horizon called?

What element is a diamond composed of?

What ongoing process allows water to be constantly recycled?

What disaster is a combo of downdrafts and updrafts?

What is the name of the submerged fringe of a continent?

What is the full name for CFCs?

What is the process that removes salt from sea water?

What are the broken-off pieces of glaciers that make it to the open sea called?

What layer of the Earth is right below the crust?

What is the study of plant life called?

What is the calm center part of a hurricane called?

What are the fastest and strongest global winds called?

What acidic precipitation occurs when sulfur dioxides build up in the clouds?

What are mounds of sand that have been windblown called?

What is energy from the internal heat of the Earth called?

What sort of storm is shaped like a funnel and is very destructive when it touches down?

What is the trapping of the sun's solar energy and radiation called?

In what modern-day country did the dog called the Rhodesian Ridgeback originate?

What does your body use to get rid of salt?

What is the name given to a fossil that best defines a rock layer's age?

What layer in the atmosphere is responsible for filtering out solar radiation?

What is the energy released from the sun called?

What type of rock is coal?

What is the wearing away of parts of the Earth by water or wind called?

A very fast white water cascade is also known as what?