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(12x3 3x2 - 108) (3x - 6)
Weegy: (36x5-108)(-3x) (-72x5)(-3x) =-216x6 (More)
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Asked 4/3/2013 8:34:18 AM
0 Answers/Comments
Which of the following is a category of mechanical wave?
Weegy: What are my choices? User: Which of the following is a category of mechanical wave? A. Frictional B. Perpendicular C. Transverse D. Parallel Weegy: Transverse is a category of mechanical wave. (More)
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Asked 4/3/2013 10:58:35 AM
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Which of the following is an example of a longitudinal wave?
Weegy: Longitudinal waves, also known as "l-waves", are waves that have the same direction of vibration as their direction of travel User: Which of the following could not act as a medium for a mechanical wave? Weegy: "Mechanical waves do not require a medium" doesn't, because mechanical waves must travel through the medium of matter, unlike electromagnetic (radio, light, etc etc.) waves, [ which can travel through a vacuum. Mechanical waves can be either transverse or longitudinal All waves transmit energy. Sound waves are mechanical longitudinal waves that can be detected by the ear ] (More)
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Expert Answered
Asked 4/3/2013 10:55:33 AM
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An increase in skin cancer can be traced to a decrease in atmospheric _____.
Question
Updated 4/4/2013 11:19:24 AM
1 Answer/Comment
Ozone.
The depletion of atmospheric ozone has increased the UV rays that reach the surface of the earth and cause skin cancer.
Added 4/4/2013 11:19:51 AM
99 percent of the atmosphere is made up of either oxygen or _____.
Question
Updated 4/5/2013 2:53:59 PM
8 Answers/Comments
99 percent of the atmosphere is made up of either oxygen or NITROGEN
Added 4/4/2013 12:04:28 PM
This answer has been added to the Weegy Knowledgebase
Added 4/4/2013 12:10:16 PM
This answer has been flagged as incorrect.
Flagged by Kaysha
AndrewTang- It appears you have not taken the time to read the basics. I have been flagging your comments all day. When answering question, do not answer with just a link. Reviewing the basics will help you become a better expert and prevent future flags and warnings.
Added 4/4/2013 3:00:10 PM
99 percent of the atmosphere is made up of either oxygen or nitrogen. Furthermore breaking them into percentages, earth's atmosphere is 78% nitrogen, 21% oxygen.
Added 4/5/2013 8:55:25 AM
99% of the atmosphere is made up of 78.09% nitrogen and 20.95%oxygen, while the 1% contains small amounts of other elements.





Added 4/5/2013 2:53:59 PM
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