Studying for hours has a ________ cost: I feel exhausted, and all my muscles ache.

• vocational

• technical

• physical

• professional

The Colorado River is the _______ of most of the drinking water in the west.

• source

• household

• understanding

• export

The makers of these snacks claim that all of the ingredients are fresh and that none have been _________.

• purchased

• processed

• acquired

• produced

Many __________ in the United States own at least two televisions.

• sources

• households

• specialists

• exports

I want to get a degree in a field that is __________, not one that is changing rapidly.

• domestic

• academic

• complex

• secure

I am concerned, as a _________ of local produce, about the presence of chemicals in the soil.

• transportation

• consumer

• source

• household

The government is ________ whether the products contain dangerous chemicals.

• importing

• purchasing

• investigating

• acquiring

Almost 85% of the grain that is grown in our state is __________ to other countries.

• processed

• purchased

• produced

• exported

In recent years, many companies have begun _________ raw materials from other countries.

• exporting

• importing

• producing

• investigating

Many of the __________ jobs in the healthcare industry, such as pharmacists or nurses, pay very well.

• physical

• manual

• mechanical

• professional