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(12x3 3x2 - 108) (3x - 6)
Weegy: (36x5-108)(-3x) (-72x5)(-3x) =-216x6 (More)
Question
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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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)
Question
An increase in skin cancer can be traced to a decrease in atmospheric _____.
Question
Updated 4/4/2013 11:19:24 AM
Ozone.
The depletion of atmospheric ozone has increased the UV rays that reach the surface of the earth and cause skin cancer.
99 percent of the atmosphere is made up of either oxygen or _____.
Question
Updated 4/5/2013 2:53:59 PM
99 percent of the atmosphere is made up of either oxygen or NITROGEN
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.
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.
99% of the atmosphere is made up of 78.09% nitrogen and 20.95%oxygen, while the 1% contains small amounts of other elements.

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