Examlex
Discuss how the extinction of a keystone species can affect an ecosystem.
Ultraviolet Radiation
A form of electromagnetic radiation that comes from the sun and artificial sources like tanning beds, which can cause skin damage, eye problems, and increase the risk of skin cancer.
Reactive Compounds
Substances that readily engage in chemical reactions with other materials due to their unstable electron configurations.
Stratosphere
The layer of the Earth's atmosphere just above the troposphere, known for its ozone layer which absorbs and scatters harmful ultraviolet sunlight.
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