According to the graph, in what year did the private goods-producing sector have the most growth?
a) 2006
b) 2007
c) 2008
d) 2009

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

What are the answers for the following questions?

In what way does renewable energy differ form nonrenewable energy?