Which one of the following generally increases the natural ...

[Shelles]

Which one of the following generally increases the natural sources of pollution in the air?
 
  A) Bright sunlight
  B) Generation of hydroxyl radicals
  C) Sea salt aerosols entering the air over an ocean
  D) Gases released by a volcanic eruption

Question 2

If a person buys timber that is certified, he or she can be sure that it is
 
  A) grown without synthetic pesticides and fertilizers.
  B) made from recycled wood chips.
  C) sustainably harvested.
  D) harvested and milled by hand.

[jaykayy05]

Answer to Question 1

D

Answer to Question 2

C

[Shelles]

Thanks for the timely response, appreciate it

[sailorcrescent]

Gracias!