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Which of the following substances can be found in the insulation of older buildings?

a. lead
b. UV rays
c. asbestos
d. pesticides

User Cbeer
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1 Answer

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The answer is letter C. Asbestos is a substance that can be found in the insulation of older buildings. It was in 1870 where asbestos was being mined and it was the first time that it was used in the different areas of the building.
User Dnkoutso
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