Which physical process is most responsible for the geographic formations in the northern indian subcontinent?

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.

Weathering is an example of an external force of change. question 2 options: true false

What is the biggest country in south america?