The ________ is a graph which plots monthly averages of CO2 ...

[bclement10]

The ________ is a graph which plots monthly averages of CO2 concentrations since 1958.
 
  A) Keeling Curve B) MCA C) Younger Dryas D) PETM

Question 2

Between 20 to 35 north latitude and 20 to 35 south latitude are
 
  A) warm and wet conditions, and the world's great tropical forests.
  B) the largest zone of water surpluses in the world.
  C) the world's largest arid and semi-arid desert regions.
  D) cyclonic systems of low pressure.

[pallen55]

Answer to Question 1

A

Answer to Question 2

C

[bclement10]

Thanks for the timely response, appreciate it

[vickybb89]

Great answer, keep it coming