This cold river of air travels from west to east in the northern hemisphere. in winter, it dips south to bring cooler air to most parts of the united states. this is the jet stream.

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.

What was apartheid and how did it restrict the rights of non-whites?

Difference between shell and orbital