1. What are renewable and nonrenewable resources?  Give examples of each.    2. Galena is the primary ore of lead, Pb.  Besides lead itself, what is a dangerous byproduct of smelting lead?  How can this byproduct be prevented from entering the atmosphere?    3. What are three fossil fuels?  How much is used for industrial, home, and transport?  How much energy is lost?

Leave a Reply

Your email address will not be published. Required fields are marked *