It limited the amount of money railroads could demand from people who needed to travel or transport their goods.

VOA: special.2010.05.06

She says the amount of space needed between the plants depends on how big you expect the heads to be.

VOA: special.2009.03.03

The vaccine did not lower the amount of virus in the blood of volunteers who became infected during the study.

VOA: special.2009.10.13

The decrease in the amount of dopamine can result in one or more of the general signs of Parkinson's.

VOA: special.2009.02.03

Unpleasant smells can be prevented by controlling the amount of food waste added to the bin and avoiding meat or bones.

VOA: special.2011.07.05

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

VOA: special.2011.03.22

That is the amount of time it took Associated Press photographer Joe Rosenthal to capture a historic image on film.

VOA: special.2010.05.31

A carbon footprint is the amount of carbon dioxide pollution that we produce as a result of our activities.

VOA: special.2011.04.05

And the animals usually avoid their own waste, so that reduces the amount of good grazing space even more.

VOA: special.2010.01.19

The other was its ability to reduce the amount of virus in the blood of people who became infected during the study.

VOA: special.2009.09.30

The decrease in the amount of dopamine can result in one or more general signs of Parkinson's disease.

VOA: special.2009.04.07

The study found that climate conditions alone could not explain the amount of tree cover in different areas.

VOA: special.2009.09.01

The amount of ice cover and its thickness are two measures of the health of the Arctic Sea.

VOA: special.2009.05.05

The result is a five to twenty percent drop in the amount of oxygen in the blood.

VOA: special.2009.07.14