« previous next »

Author Question: Certain pollutants that enter the atmosphere directly, such as from smokestacks and tail pipes, are ... (Read 105 times)

lak

  • Hero Member
  • *****
  • Posts: 546
on: Jul 13, 2018
Certain pollutants that enter the atmosphere directly, such as from smokestacks and tail pipes, are called ____.
   a. criteria pollutants
   b. noxious pollutants
   c. primary air pollutants
   d. secondary air pollutants
   e. reactive pollutants

Question 2

The original Clean Air Act in the United States was enacted in ____.
   a. 1946
   b. 1955
   c. 1970
   d. 1977
   e. 1990


Mochi

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: c

Answer to Question 2

ANSWER: c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

A physician uses a portable electronic tablet to enter patient data while in the examination room. A physician uses a portable electronic tablet to enter patient data while in the examination room.
The excitatory and inhibitory signals that directly influence the activity of a motor neuron. The excitatory and inhibitory signals that directly influence the activity of a motor neuron.
The Upper Troposphere: Westerly Winds in the Upper Atmosphere The Upper Troposphere: Westerly Winds in the Upper Atmosphere
Atmospheric Pollutants Atmospheric Pollutants
Weather maps: Pictures of the atmosphere Weather maps: Pictures of the atmosphere
Pollutants emission Pollutants emission
Video: Ultrasound of a Fetus (Sonogram)

For a complete list of videos, visit our video library