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

Author Question: Which gas in the upper atmosphere shields Earth's surface from the sun's harmful ultraviolet rays? ... (Read 370 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
Which gas in the upper atmosphere shields Earth's surface from the sun's harmful ultraviolet rays?
 A) nitrogen
  B) methane
  C) ozone
  D) chlorofluorocarbons

Question 2

The forecasting technique that produces several versions of a forecast model, each beginning with slightly different weather information to reflect errors in the measurements, is called ____ forecasting.
 A) climatology
  B) probability
  C) persistence
  D) ensemble



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mrphibs

  • Sr. Member
  • ****
  • Posts: 307
Answer to Question 1

C

Answer to Question 2

D





 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

For a complete list of videos, visit our video library