Question and answer
Of the more than 7,000 chemicals in tobacco smoke, at least ________ are known to be harmful.
Of the more than 7,000 chemicals in tobacco smoke, at least 250 are known to be harmful.
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Asked 7/5/2012 2:38:48 PM
Updated 4/1/2016 7:43:50 AM
1 Answer/Comment
Edited by Andrew. [4/1/2016 7:43:27 AM]
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Of the more than 7,000 chemicals in tobacco smoke, at least 250 are known to be harmful.
Added 4/1/2016 7:43:50 AM
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The walls of veins have the same three layers as the ________. A. Arteries B. Capillaries C. Tissue D. Soma
Weegy: The walls of veins have the same three layers as the arteries. (More)
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Updated 6/9/2015 7:48:18 AM
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Veins carry blood ________ the heart.
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Updated 6/9/2015 7:50:06 AM
7 Answers/Comments
Veins carry blood towards the heart.
Added 7/5/2012 9:50:50 AM
This answer has been confirmed as correct and helpful.
Rated good by jeifunk, Rated good by kaysha, Rated good by debnjerry, Confirmed by Andrew. [6/9/2015 7:50:08 AM]
Please don't duplicate answers.
Added 7/6/2012 7:44:11 AM
The spinal cord serves as a conduction pathway for impulses going to and from the ________.
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Updated 3/15/2015 2:00:42 PM
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The spinal cord serves as a conduction pathway for impulses going to and from the brain.
Added 3/15/2015 2:00:42 PM
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What is a ureter?
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Updated 5/15/2016 7:37:48 PM
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A ureter is one of two uterine tubes that carry urine from the kidneys to the bladder.

Added 5/15/2016 7:37:48 PM
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What is the trachea commonly called?
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Updated 6/24/2015 3:49:16 PM
1 Answer/Comment
The trachea is commonly called the WINDPIPE.

Added 6/24/2015 3:49:16 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [6/24/2015 5:25:45 PM]
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