Why are rocks an imperfect record of the history of the planet?
a. rocks can be easily misplaced
b. earth is dynamic and the record erodes
c. rocks are inherently untrustworthy
d. it is impossible to know the age of a rock
e. all rocks are the same age
what is a surface of erosion or nondeposition?
a. a conformity
b. a fossil bed
c. if moss covered a nice place for a nap
d. a hiatus
e. an unconformity

Match the following terms and definitions a region in arkansas defined by the arkansas river in the western part of the state answer 1 a thoroughly dissected area with steep valley walls and narrow floors answer 2 a geographical region of a country or state answer 3 the friendly and generous reception and entertainment of guests, visitors, or strangers answer 4 the branch of knowledge concerned with the production, consumption, and transfer of wealth answer 5 statistical data relating to the population and particular groups within it answer 6 a mountain range in west central arkansas and southeastern oklahoma answer 7 travel for pleasure or business; also the theory and practice of touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tours answer 8 answer all parts of the question.

The volume of the triangular prom is 54 cubic units

East asia is considered a less developed nation. true or false