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 85 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
Wow, this really help

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

The fossil record of chimpanzees is sparse. The femur from Kikongo, Uganda (c) may represent a late The fossil record of chimpanzees is sparse. The femur from Kikongo, Uganda (c) may represent a late
Hominin Evolution in the Mid to Late Pleistocene Hominin Evolution in the Mid to Late Pleistocene
Change in Emotional States During Adolescence Average emotional state becomes teadilyi more negativ Change in Emotional States During Adolescence Average emotional state becomes teadilyi more negativ
The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ... The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ...
Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ... Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ...
Importance of intermediate states Importance of intermediate states
Video: Retina

For a complete list of videos, visit our video library