Coal, petroleum, and natural gaseous are all fossil fuels.
The mass of neutron stars generally range from one-tenth to twice the mass of the Sun.
Grasses grow in ways that help them to survive being nibbled, chilly, or dried.
Most of Hemingway’s novels glorifies heroic exploits such as bullfighting or boxing.
Paleographers study ancient and medieval handwriting in order to establish not only its age and also its background.
The sounds produced by bullfrogs and toads vary greatly because each species have its own particular call.
By the 1920s, many radio transmittershad been build.
Fishfarming has rose in the United States in recent years.
In areas of volcanic activity, beach sand may contains dark minerals and little quartz.
Cro-Magnon man was names after the caves in southwest France where the first remains were discovered.
Lassie, the famous collie who made her first screen appearance in 1943, has always beplayed by a male dog.
A blue bigwig lizard stakes out a territory and will defending females within it against courting males.
President George Washington was inaugurates on the stepsof the Federal Building in New York City.
By 1627, Plymouth had became a viable and growing community of fifty families, twenty-two goats, fifteen cows, and more than fifty pigs.
Tobacco was the crop on which the eminence of Williamsburg and the prosperity of Virginia were base.
Because there may be scores of genes in each suspect DNA region, scientists must identifying and sequence the actual genes contributing to type I diabetes.
