« previous next »

Author Question: Which substance is the most abundant primary air pollutant in the United States? A) sulfur oxide ... (Read 57 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Jul 13, 2018
Which substance is the most abundant primary air pollutant in the United States?
 A) sulfur oxide
  B) any volatile organic compound
  C) nitrogen oxide
  D) carbon monoxide

Question 2

What pattern is most likely associated with clear skies and fair weather?
 A) high pressure regions
  B) low pressure regions
  C) a cold front
  D) a warm front


rekilledagain

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 13, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Annual net primary productivity on Earth. Annual net primary productivity on Earth.
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive (A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Dolores Huerta and Cesar Chavez, leaders of the United Farm Workers, discuss their 1968 strike of ... Dolores Huerta and Cesar Chavez, leaders of the United Farm Workers, discuss their 1968 strike of ...
Among non-Muslims in the United States, wearing a head scarf, or a khimar, is a personal fashion ... Among non-Muslims in the United States, wearing a head scarf, or a khimar, is a personal fashion ...
Formation of primary and secondary lysosomes and their role in cellular digestive Formation of primary and secondary lysosomes and their role in cellular digestive
Video: Smoking Cessation

For a complete list of videos, visit our video library