The most important source of the free oxygen in our atmosphere is:
A) deforestation.
B) the dissociation of water vapor in the upper atmosphere.
C) green plants that carry on photosynthesis.
D) volcanic degassing.
Correct Answer:
Verified
Q2: An interacting group of parts that is
Q3: This atmospheric component absorbs damaging ultraviolet radiation
Q4: At sea level, how far can a
Q5: Ozone:
A) protects life on Earth by filtering
Q6: Which of these was NOT involved with
Q8: Consider the following diagram, and then answer
Q9: Consider the following diagram, and then answer
Q10: In which sphere would we find insects,
Q11: The heterosphere and ionosphere BOTH coincide with
Q12: The approximate altitude of auroral displays is:
A)
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