The of a stream, or its channel slope, is the steepness with which it descends from its highest elevation to its lowest - expressed in feet per mile of meters per kilometer.

To be eligible for naturalization, an immigrant must be able to speak, read, write, and understand: a) his name b) poetry c) the constitution d) the english language

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.

Why would the composition of a meteorite resemble the earth's interior?