(1) timpani, also known as kettledrums, are a type of drum. (2) they were first used in an orchestra in the 18th century. (3) today, timpani are used in many concerts and even rock bands. (4) timpani consist of head or skin stretched over a large bowl. (5) the head can be made of calfskin or plastic. (6) the bowl is traditionally made of copper, or more recently, constructed with lightweight fiberglass. (7) timpani are played by striking the head with a drumstick which are felt-tipped wooden sticks or mallets. (8) unlike most drums, timpani produce a specific pitch when struck and can be tuned. (9) snare drums are the best drums for marching bands to use. (10) the pitch can be tuned by tightening the drumhead with keys and foot pedals.

which sentence could be added to the passage to support the main idea?
chimes are also known to produce an exact pitch.
jonathan haas is a famous soloist timpanist.
there are four different types of timpani drums.
bells are also a type of percussion instrument.

Pl read these paragraphs from the excerpt. every great play teaches many lessons and touches nearly all social problems. but the great play does this by indirection. every beautiful thought is a teacher; every noble line speaks to the brain and heart. beauty, proportion, melody suggest moral beauty, proportion in conduct and melody in life. in a great play the relations of the various characters, their objects, the means adopted for their accomplishment, must suggest, and in a certain sense solve or throw light on many social problems, so that the drama teaches lessons, discusses social problems and gives intellectual pleasure. the stage should not be dogmatic; neither should its object be directly to enforce a moral. the great thing for the drama to do, and the great thing it has done, and is doing, is to cultivate the imagination. this is of the utmost importance. the civilization of man depends upon the development, not only of the intellect, but of the imagination. most crimes of violence are committed by people who are destitute of imagination. people without imagination make most of the cruel and infamous creeds. they were the persecutors and destroyers of their fellow-men. by cultivating the imagination, the stage becomes one of the greatest teachers. it produces the climate in which the better feelings grow; it is the home of the ideal. all beautiful things tend to the civilization of man. the great statues plead for proportion in life, the great symphonies suggest the melody of conduct, and the great plays cultivate the heart and brain. which statement describes how ingersoll uses a literary technique in his response? a-by using symbols, ingersoll explains the role of artistic expression, which engages readers. b- by using a metaphor, ingersoll explains how artistic thoughts address social issues, which clarifies his idea. c- by using allusion, ingersoll emphasizes the continued growth of artistic expression, which is relatable to readers. d- by using alliteration, ingersoll emphasizes the role drama plays in society, which evokes strong emotion.

Which of the following statements is true a. active voice avoid responsibility and should never be used

How does kennedy describe the children who might benefit from medical space technology