The table indicates that nitrogen and oxygen are the main components of the atmosphere by volume. Together these two gases make
up approximately 99% of the dry atmosphere. Why are these gases important?
A) They are essential to life on Earth.
B) They have a great influence on climate.
C) They absorb ultraviolet radiation from the sun.
D) They increased over time causing global warming.
A) They are essential to life on Earth.
B) They have a great influence on climate.
C) They absorb ultraviolet radiation from the sun.
D) They increased over time causing global warming.
2 answers:
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