For most environmental issues, the solutions are A) certain, ...

[londonang]

For most environmental issues, the solutions are
 
  A) certain, and the science is certain.
  B) complex, but the science is certain.
  C) complex, and the science is insightful but tentative and evolving.
  D) clear and certain, and the science is insightful but tentative.

Question 2

In the past 40 years, pesticide use has tripled yet pests still cause extensive damage to crops. Why has this increased use of pesticides not been more effective?
 
  A) The pesticides in use today are much less powerful due to government regulations.
  B) The pesticides available are no longer suited for the most common types of pests.
  C) Increases in ultraviolet radiation and global warming break down pesticides faster.
  D) The widespread use of pesticides has resulted in the evolution of pesticide resistant pests.

[anoriega3]

Answer to Question 1

C

Answer to Question 2

D

[londonang]

TYSM

[Joy Chen]

Thanks for the timely response, appreciate it