This topic contains a solution. Click here to go to the answer

Author Question: Transportation is the source for 77 percent of this pollutant. A) carbon monoxide B) nitrogen ... (Read 141 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
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
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D




piesebel

  • Member
  • Posts: 565
Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it


cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

For a complete list of videos, visit our video library