This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Transportation is the source for 77 percent of this pollutant. A) carbon monoxide B) nitrogen ... (Read 161 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
on: Jul 14, 2018
Transportation is the source for 77 percent of this pollutant.
 
  A) carbon monoxide
  B) nitrogen oxides
  C) sulfur dioxide
  D) volatile organic compounds

Question 2

Since 1990, average ________ levels in the US have consistently been below the national standard.
 
  A) CO
  B) ozone
  C) PM10
  D) CO and PM10


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jayson

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D


piesebel

  • Member
  • Posts: 565
Reply 2 on: Jul 14, 2018
:D TYSM

carojassy25

  • Member
  • Posts: 299
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Nitrogen content of live and dead leaves Nitrogen content of live and dead leaves
Carbon-zinc Battery Carbon-zinc Battery
Nitrogen trioxide Nitrogen trioxide
Carbon dioxide: The anthropogenic greenhouse gas of primary concern Carbon dioxide: The anthropogenic greenhouse gas of primary concern
Stomatal density and carbon dioxide Stomatal density and carbon dioxide
Twenty percent of the automobiles inspected at a state inspection station required repairs to ... Twenty percent of the automobiles inspected at a state inspection station required repairs to ...
Video: Congenital Heart Defects Animation

For a complete list of videos, visit our video library