Is big chungus a dead meme?

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 causes the cyclical changes in the appearance of the moon?

On nights when we see the new moon phase, what side of the moon are we seeing?