The 1970 Clean Air Act's policy of command and controlled ...

[erika]

The 1970 Clean Air Act's policy of command and controlled regulations of air pollution attempted to limit
 
  A) all of the primary pollutants but not the secondary air pollutants.
  B) the ambient level of air pollutants below the primary standard levels.
  C) levels of air pollutants to 150 of the primary standard levels.
  D) air pollution at the level of the consumer by adding a pollution tax.

Question 2

The Neolithic Revolution is most clearly seen in human culture today in our use of
 
  A) natural wood products from national forests.
  B) furs from trapped wild animals.
  C) rivers for navigation and water supplies.
  D) modern agriculture to raise food crops.

[courtney_bruh]

Answer to Question 1

B

Answer to Question 2

D

[erika]

TYSM

[apple]

Gracias!