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Home Q & A Board Biology-Related Homework Help General Biology
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Mrpkerzz Mrpkerzz
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6 years ago
The greatest concentration of nitrogen on the planet Earth is found in:
 
  a. living organisms, including bacteria
  b. the atmosphere
  c. soil minerals
  d. fossil fuels
  e. oceans

Question 2

When the brain slams against the inside of the bony skull, it can cause a traumatic brain injury called a concussion. Describe the danger of suffering a concussion.
 
  What will be an ideal response?
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Replies
wrote...
#1
6 years ago
Answer to q. 1

b

Answer to q. 2

Symptoms of a concussion can include confusion, dizziness, blurred vision, headache, difficulty concentrating, altered sleep patterns, and, in some severe cases, loss of consciousness. Usually, the brain resumes normal function within 7 to 10 days after a concussion. However, repeated head injuries can cause chronic traumatic encephalopathy (CTE), a neurodegenerative disorder that involves memory loss, depression and suicidal impulses, and eventually dementia.
Mrpkerzz Author
wrote...
#2
6 years ago
Wow! Thanks you for this correct set of answers, wasn't expecting it...
wrote...
#3
6 years ago
My pleasure!
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