Americans know about them mainly from a history of use as pack animals in Arizona and other areas of the desert Southwest.

VOA: special.2010.02.16

The worm's waste, or castings, should be ready to use as compost within two to six months.

VOA: special.2011.07.05

Students grow organic food and use as little fossil fuels and chemicals as possible.

VOA: special.2009.04.14

The carp eat plants that the suckers use as hiding places.

VOA: special.2009.12.15

The government will use as much as $100 billion from an existing fund set up to rescue the ailing financial sector to provide guarantees and low interest loans to those willing to purchase these assets.

VOA: standard.2009.03.23

Democrats controlling both committees will use as a basis revised figures released last week by the Congressional Budget Office that project a more than $1.8 trillion deficit for 2009,substantially more than the Obama administration's initial estimate.

VOA: standard.2009.03.24

Conscious that a faraway and costly war doesn't play well with voters, incumbent Gordon Brown insists the troops are fighting to keep Britain safe "We have got to be clear that we cannot allow terrorists to have territory in the world that then they use as a base to attack the United Kingdom."

VOA: standard.2010.04.30

Researchers compared the use of fertilizer in three areas that grow maize as a major grain: China,Kenya and the United States.

VOA: special.2009.07.28

He also believed pro-slavery extremists would use Lincoln's election as an excuse to take Southern states out of the union.

VOA: special.2009.07.09

As part of the research project, nine farmers were given materials and trained how to build and use a hoop house.

VOA: special.2009.12.22

And also some schools in other countries use it as a writing handbook, as do some schools in the United States."

VOA: special.2010.02.11

In many countries, women are half as likely as men to use fertilizers to increase the amount of crops.

VOA: special.2011.03.22

Montclin did not move. "You know as well as I do that it is no use to tell Athnaise anything,"

VOA: special.2009.06.27

The government could also use violations of other federal laws such as the Clean Water Act to collect money for the spill.

VOA: special.2010.06.04