Which of the following is a secondary pollutant in the troposphere but a beneficial component in the stratosphere?
A) Ozone
B) Nitrogen oxides
C) Carbon monoxide
D) Volatile organic compounds
Question 2
The National Park Service struggles to maintain a balance between
A) hunting in national parks and ecotourism.
B) mining and logging in national parks and protection of the unique ecosystems.
C) protecting unique ecosystems and permitting public access.
D) hunting and the development of resorts in national parks.
Secondary intravenous lines: (a) a tandem intravenous alignment
Typical secondary ignition pattern. Note the lack of firing lines on superimposed pattern.
The Upper Troposphere: The Polar Front and Jet Streams
The Upper Troposphere: Rossby Waves
Secondary succession
Secondary Active Transport