1.Orchestral instruments --- under the following types: strings, woodwind, brass, and percussion.





2.--- depressions in the ocean floor are called trenches.





3.In the course of her life, Mary Anne Sadlier ---, some fifty of them original novels and collections of stories.





-4.- xenon could not form chemical compounds was once believed by scientists





5.Eastern meadowlarks abound in places ---, but eat harmful insects rather than grain.





6.Amplifiers such as those in computers and sound �reproducing systems are responsible for --- an erratic input signal.





7.-- John Aaron Lewis pioneered in the development of �third stream music,�a blend of jazz and classical music





8.In reorganizing the curriculum of Mt. Holyoke College in the late 1800�s Elizabeth Mead laid the foundation --- the modern college rests.





9.Research into the dynamics of storms is directed toward improving the ability to predict these events --- to minimize damage and avoid loss of life.





10.--- lived on the North Saskatchewan River long before the Hudson�s Bay Company built a fur trading post there.