Methane, carbon dioxide, nitrous oxide, and water vapor are ...

[vinney12]

Methane, carbon dioxide, nitrous oxide, and water vapor are examples of _____ that trap the sun's heat and hold it close to the earth's surface.
 
  A) deadly gases
  B) greenhouse gases
  C) heavy gases
  D) massive gases
  E) noxious gases

Question 2

_____ is a decision process by which each member gets a certain amount of votes proportional to some factor such as size, power, or wealth.
 
  A) Instant run-off
  B) Majority rule
  C) Plurality
  D) Unit veto
  E) Weighted voting

[aidanmbrowne]

Answer to Question 1

B

Answer to Question 2

E

[vinney12]

Excellent

[coreycathey]

Gracias!