Small microcomputers of today can process ________ their predecessors, which were twenty times their size.

There were two small rooms in the beach house,________ served as a kitchen.

The bodies of living creatures are organized into many different systems, each of which has ________ function.

One's fingerprints are ________ .

________ of the United States from southern New Hampshire in the north to Virginia in the south, a vast urban region has been defined as a megalopolis, that is, a cluster of cities.

Some plants are annuals; ________ are biennials; the rest are perennials.

The giraffe survives in part because it ________ the vegetation in the high branches of trees where other animals have not grazed.

By praying outside saloons, throwing rocks in saloon windows, and destroying saloons with her hatchet, ________.

Anthropologist Guy Swenson ________ that witchcraft beliefs are prevalent in societies in which social groups interact without formal mechanisms for social control.

When a body enters the earth's atmosphere, it travels ________.