Assets and liabilities that determine the net worth of a corporation
High grades and low grades made by a student whose average remains about the same from term to term
20. According to the passage, which of the following has the LEAST effect on the amount of ozone at a given location in the upper atmosphere?
Latitude
Weather
Season
Ground-level ozone
Solar activity
21. The author provides information that answers which of the following questions?
I. What is the average thickness of the stratospheric ozone layer?
II. Why does increased exposure to ultraviolet radiation damage many living organisms?
III. What is the role of oxygen in the production of stratospheric zone?
I only
II only
III only
I and II
II and III
22. In explaining what determines the amount of ozone in the stratosphere, the author describes natural processes that form
an interactive relationship
a reductive system
a linear progression
a set of randomly occurring phenomena
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