Global warming combined with increasing carbon dioxide amounts ...

[geoffrey]

Global warming combined with increasing carbon dioxide amounts may lead to further global warming. This is an example of a
 
  A) negative feedback
  B) positive feedback
  C) neutral feedback
  D) adiabatic feedback

Question 2

During conditions of high humidity, the effectiveness of perspiration as a cooling mechanism for the human body
 
  A) is reduced because less sweat can evaporate
  B) is reduced because less condensation occurs
  C) is enhanced because more sweat can evaporate
  D) is enhanced because more condensation occurs

[Loise Hard]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: A

[geoffrey]

TYSM

[upturnedfurball]

Excellent