The Armory Show, held in New York in 1913, was a important exhibition of modern European art.

Ripe fruit is often stored in a place who contains much carbon dioxide so that the fruit will not decau too rapidly.

In 1852, Massachusetts passed a law requiring all children from four to eighteen years of old to attend school.

The main purpose of classifying animals is to show the most probable evolutionary relationship of the different species to each another

Relative humidity is the amount of water vapor the air contains at a certain temperature ........... with the amount it could hold at that temperature.

One of the most impressive collections of nineteenth-century European paintings in the United States can be found to the Philadelphia Museum of Art.

The quince is an attrative shrub or small tree ............... closely related to the apple and pear trees.

As consumers' response to traditional advertizing techniques declines, businesses are beginning .................... new methods of reaching customers.

The knee is ............. most other joints in the body becuase it cannot twist without injury.

Portland, Maine, is ................ the poet Henry Wadsworth Longfellow spent his early years.