What is the purpose of the text above? a) To explain the risks of radioactive sources. b) To describe the characteristics of radioactive sources....
What is the purpose of the text above?
a) To explain the risks of radioactive sources.
b) To describe the characteristics of radioactive sources.
c) To present the units of measurement of radioactive sources.
d) To discuss the effects of radioactive sources on the human body.
a) To explain the risks of radioactive sources.
b) To describe the characteristics of radioactive sources.
c) To present the units of measurement of radioactive sources.
d) To discuss the effects of radioactive sources on the human body.
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Ed 
O objetivo do texto acima é descrever as características de fontes radioativas. A alternativa correta é a letra b).
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