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

Author Question: What compounds did the United States ban in the late 1970s for all nonessential ... (Read 65 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
on: Jul 13, 2018
What compounds did the United States ban in the late 1970s for all nonessential uses?

Question 2

Which process accounts for the sky's blue color?
 A) light reflection
  B) light scattering
  C) albedo
  D) thermal convection


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 13, 2018
Answer to Question 1

In the late 1970s, the United States banned all nonessential uses of chlorofluorocarbons (CFCs), which were at the time widely used as propellants in spray cans.

Answer to Question 2

B


tuffie

  • Member
  • Posts: 534
Reply 2 on: Jul 13, 2018
Gracias!

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

The “Big Four” world leaders meet at the Hotel Crillon in Paris, 1919. From left to right (front row The “Big Four” world leaders meet at the Hotel Crillon in Paris, 1919. From left to right (front row
Living arrangements of older adults in the United States vary widely depending on gender and ... Living arrangements of older adults in the United States vary widely depending on gender and ...
Prevalence of Diabetes in the United States, 2010–2012, Age 20 and Older, Based on Race and ... Prevalence of Diabetes in the United States, 2010–2012, Age 20 and Older, Based on Race and ...
Execution in the United States Execution in the United States
In 2008, Barack Obama was elected president of the United States, the first minority to achieve this ... In 2008, Barack Obama was elected president of the United States, the first minority to achieve this ...
Globalization Within the United States Globalization Within the United States
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library