1. the earth system consists of a. hydrosphere b. geosphere c. biosphere d. atmosphere e. all of the above

:calculate the sum of the interior angles of a 13-sided polygon.

What did the native title act do? a. it recognized and protected aboriginal rights to land. b. it stated that aborigines were to be counted as part of the census. c. it established aboriginal languages as official. d. it granted aborigines suffrage.

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)