Explain what force caused the movement of the continents from one supercontinent to their present positions

Relatively steep zone that is compared with the shelf that marks the boundary between continental crust and ocean crust.

What is a reasonable action that provides safe water for communities?

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.