aciers, and between those tongues of ice were many sanctuaries that allowed the original forests to survive.
467.As it orbits the Sun, Uranus rotates on its axis, an imaginary line through its center.
468.Ordinarily, tariff duties are placed on commodities according to their value.
469.Folktales sometimes tell stories about individuals who really existed and things that actually happened.
470.Whenever matter in one form is transmuted to another form, a phase change is said to have taken place.
471.Noise, in the technical sense, implies a random chaotic disturbance that is usually unwanted.
472.During the late 1850''s the question of the best route for the overland mail to California was a topic of serious interest in the West.
473.In his book, Social Theory and Social Structure, sociologist Robert Merton explored why individuals behave in ways that society considers abnormal.
474.Painting wooden buildings helps to protect them from damage due to weather.
475.Carbohydrates are the most abundant and least costly food sources of energy.
476.A fuel is a substance used to generate light, heat, or energy.
477.The state of Maine generally has cooler temperatures than most other states have.
478.Fruit is one of the most abundant, nutritious, and delicious foods a person can eat.