Final answer:
The protective ozone layer is located in the stratosphere, 10 to 50 kilometers above the Earth's surface.
Step-by-step explanation:
The protective ozone layer is located in the stratosphere, which is the second layer of the Earth's atmosphere. It is found approximately 10 to 50 kilometers above the Earth's surface. The ozone layer plays a crucial role in absorbing the majority of the Sun's harmful ultraviolet (UV) radiation.
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