Scientists have used the fossil record, evidence of change, and mass extinction to develop which of the following time scales?

a. precambrian time scale
b. geological time scale
c. fossilogical time scale
d. earth history time scale

Adesert is an example of a(n) and the gobi desert is an example of a(n) a. ecosystem biome b. biome ecosystem c. ecosystem climate d. climate biome

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

Solve the equation.8 - 2x = -8х + 14