The olduvai gorge in tanzania is the site of
a. the world's largest waterfall.
b. the world's longest suspension bridge.
c. many findings of the earliest dinosaurs.
d. many findings of the earliest humans

Achild’s often are influenced by the belief systems of his or her parents. a. ideologies b. bilingualism c. territoriality d. cultural diffusion

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

The first atomic explosion was detonated in the desert north of alamogordo, new mexico, on july 16, 1945. what percentage of the strontium-90 ( yr) originally produced by that explosion still remains as of july 16, 2016?