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The biochemical units of heredity that make up the chromosomes are called
Ozone-Depleting Chemicals
Substances, such as chlorofluorocarbons (CFCs), that reduce the ozone layer in the Earth's stratosphere, contributing to ozone depletion.
Fossil Fuels
Natural fuels such as coal, oil, and natural gas, which are formed from the remains of living organisms over millions of years and used for energy production.
Skin Cancer
A type of cancer that forms in the cells of the skin, often due to exposure to UV radiation from the sun or tanning beds.
Ozone Depletion
A reduction in the concentration of ozone in the stratosphere, leading to increased ultraviolet radiation reaching the Earth's surface.
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