Sara went to a nearby grocery store with her father she observed that some people wearing shiny clothes were preparing the road near her house they were spreading shiny black coloured liquid on the surface of the road
1. what is the substance they was spreading on the surface of the road
2. how is the substance prepared
3. why were the people working during night time
Answers
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Answer:
tar is used for roads also concrete
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Explanation:
coal tar is used to make roads.
prepared by heating the substance
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