Which option below refers to the production and distribution of goods and services, as well as their management?

a. economics
b. free trade
c. interdependence

What is found within a ranger tower overlooking a drained lake

Which factors add to the greenhouse effect and are caused by human activities?

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