Which of the following statements is true?
a.) all of the sun's heat is reflected by th...
Which of the following statements is true?
a.) all of the sun's heat is reflected by the earth's atmosphere.
b. )radiation is the transfer of heat between objects which are not touching.
c.) an insulator speeds up the vibration of molecules and the transfer of heat.
d.) heat is transfered in solids through conduction.
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Patients with brain tumors may elect to have a procedure known as gamma knife. in a typical gamma knife procedure gamma rays are directed toward a tumor with contact to surrounding tissues. limiting contact between gamma rays and healthy tissue is important because
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