How does the world try to avoid conflict? does it always work?

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.

The 5th term in a series of even number that begin 3x

The physical processes that create most of earth's physical features, including mountains, are known as