The amazon river is deep and wide enough to be but it’s seldom used by large commercial ships because it flows through few cities.

In 1870, which path would settlers moving west from el paso to los angeles have followed? a) old spanish trail b) gila trail c) california trail d) oregon trail

What is the mercury length of time for one revolution around the sun?

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.