The circle shown here has area πr2. if its radius is tripled in length its new area will be

When we organize patterns in order to perceive an entire stimulus rather than just its parts, we are using

Characteristics of substance farming include all of the following except

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