Core (Universal)Question 1 of 240
Why is the stratospheric ozone layer important to life on Earth?
a.It produces the oxygen that people breathe
b.It absorbs harmful ultraviolet (UV) radiation from the sun
c.It reflects radio signals back to the surface
d.It traps heat and keeps the planet warm
Explanation
The ozone layer in the stratosphere absorbs most of the sun's harmful ultraviolet (UV) radiation, which protects humans, animals, and plants. It does not warm the planet like greenhouse gases do, produce breathable oxygen, or reflect radio signals. Protecting this layer is the main reason Section 608 limits the release of ozone-depleting refrigerants.
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Related questions on this topic
- Which element released from CFC and HCFC refrigerants is chiefly responsible for destroying stratospheric ozone?
- What is the Montreal Protocol?
- Section 608 of the Clean Air Act primarily regulates which activity?
- What does ODP stand for when comparing refrigerants?
- A supplier tells a technician that R-410A has an ODP of zero but a high GWP. What does GWP measure?
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