have no idea what these answers are. Thanks!

1.
Explain in detail one of the climate change cause-and effect relationships.

2.
Explain why a new moon is not visible and the difference between the waxing and waning phases of the moon.

http://timeforchange.org/cause-and-effect-for-global-warming

http://en.wikipedia.org/wiki/New_moon

http://www.moonconnection.com/moon_phases.phtml