Many ecosystems are damaged by attempts to make a quick profit ...

[codyclark]

Many ecosystems are damaged by attempts to make a quick profit because
 
  A) natural services are valued more than natural goods.
  B) ecosystem services require sustained human development.
  C) the value of ecosystem services is poorly understood and underappreciated.
  D) the prices of most natural goods continue to fall.

Question 2

Which one of the following has been declining globally over the past several decades?
 
  A) Nitrous oxide levels in the troposphere
  B) Methane levels in the troposphere
  C) Mean global temperature
  D) pH of the world's oceans

[ErinKing]

Answer to Question 1

C

Answer to Question 2

D

[codyclark]

YES! Correct, THANKS for helping me on my review

[Jossy]

Thanks for the timely response, appreciate it