Question 17
MediumOriginal questionA thinner ozone layer is harmful because it
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
Ozone screens out ultraviolet rays; more UV causes skin cancer and harms plankton and crops.
Worth noting
Trapping heat is what greenhouse gases do; that is global warming.
- Concept
- Ozone depletion
- Typical timeTypical
- 70 s
- Your timeYours
- —
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