The ..................... rainfall in Seattle is 37 inches a year. It rains a lot there!

This problem is ..................... , and you need to find a solution for it right away.

We should try to ..................... the amount of trash we throw away.

Trees are ..................... near the village because the villagers chop them down and use them for firewood.

We have to deal with a/an ..................... today because the storm knocked down all the power lines, and no one has electricity.

The new employees are not very ..................... , so they make a lot of mistakes.

This organization ..................... food and clothing to homeless people all over the state.

We need to take the ..................... of elephants more seriously because if we don't, they might disappear forever.

There used to be a lot of ..................... in this area, but now there isn't because people have moved to the city.

When water is ..................... , it's extremely difficult for fruit trees to produce fruit, and they often die.

An ..................... problem in the western United States is low levels of groundwater. 

Australia has ..................... both drought and floods in recent years. 

The ..................... yearly rainfall in the Sahara Desert is less than 1 inch (25 mm).