An area that produces runoff is called a _____________________.

Because fish farms raise fish in an enclosed and controlled environment, it is safe to eat fish from a fish farm.

What is the dominant herbivore in grasslands?

What is this structure? What is its purpose?   

What is a food desert?

a.  Calculate the monthly payment on a 15-year mortgage in the amount of $250,000 at 6%.  b.  Calculate the total interest payment on this 15-year mortgage.   

A coal mine is an example of a point source of water pollution.

What greenhouse gas is produced by cows?

How do dams affect salmon?

Consider this community of coastal birds and discuss how the piping plover might be affected by climate change.