Imagine that you are buying books one by one and then piling them up after reading them. which geologic concept could you use to identify the topmost book as the newest? a. principle of inclusion b. principle of lateral continuity c. law of superposition d. principle of unconformities

Acounterculture is composed of a group of people who the dominant culture.

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.