Describe the differences between global warming and the greenhouse effect. Be sure to include the terms UV light, infrared light, long wavelength, short wavelength, absorbed, reflected atmosphere. NO LINKS PLEASE!!!

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.