Question 18

Ozone hole refers to:

  • A.Hole in ozone layer
  • B.Decrease in ozone layer troposphere
  • C.Decrease in the thickness of the ozone layer in troposphere
  • D.Increase in the thickness of the ozone layer in troposphere
Objective

Question details

Exam body
BUK
Subject
Biology
Year
2014/2015
Question no.
#18
Type
Objective

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