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Home Q & A Board Biology-Related Homework Help Cell Biology
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rolab97 rolab97
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6 years ago
One reason for the increase in the rate of skin cancer is
  a. increased exposure to ultraviolet radiation.
  b. water pollution.
  c. food additives.
  d. preservatives.
  e. air pollution.

Question 2

Hair is made up mostly of
  a. calcium
  b. keratinized cells.
  c. carbohydrates.
  d. fats.
  e. chitin.
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
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oliverb1oliverb1
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6 years ago
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rolab97 Author
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6 years ago
Brilliant ツ
jodie1
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Yesterday
Just got PERFECT on my quiz
byehoe
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2 hours ago
This helped my grade so much Perfect
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