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

Author Question: Since the Clean Air Act of 1970, emissions of most pollutants have fallen off substantially, with ... (Read 219 times)

serike

  • Hero Member
  • *****
  • Posts: 542
Since the Clean Air Act of 1970, emissions of most pollutants have fallen off substantially, with _____ showing the greatest reduction.
   a. sulfur dioxide
   b. methane
   c. lead
   d. carbon dioxide
   e. carbon monoxide

Question 2

Volcanic eruptions are an important natural source of ____.
   a. benzene
   b. ozone
   c. sulfur dioxide
   d. carbon monoxide
   e. chlorofluorocarbons



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nmyers

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

ANSWER: c

Answer to Question 2

ANSWER: c




serike

  • Member
  • Posts: 542
Reply 2 on: Jul 13, 2018
YES! Correct, THANKS for helping me on my review


CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Gracias!

 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

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.

For a complete list of videos, visit our video library