If it weren't for the greenhouse effect, Earth's average ...

[ahriuashd]

If it weren't for the greenhouse effect, Earth's average atmospheric temperature would be ____.
 A) below the freezing point of water
  B) a couple degrees cooler than it is today
  C) about the same as it is today
  D) above the boiling point of water

Question 2

What is the purpose of marine protected areas?
 A) to reduce erosion of the seafloor
  B) to provide safe havens for marine life
  C) to shield the shoreline from crashing waves
  D) to designate zones for recreation and tourism

[sabina576]

Answer to Question 1

A

Answer to Question 2

B