Examlex
The "heat" in chili peppers is due to a molecule called capsaicin.Suppose you breed only the hottest chili peppers over many generations-predict the characteristics of the resulting individuals.
Fossil Fuels
Natural fuels such as coal, oil, and natural gas, formed from the decomposed remains of ancient plants and animals, used for energy.
Minerals
Naturally occurring, inorganic solids with a definite chemical composition and a crystalline structure found in the earth.
Earth Layers
The division of the interior of Earth into layers, including the crust, mantle, outer core, and inner core, based on chemical and physical properties.
Water Vapour
The gaseous phase of water present in the atmosphere, instrumental in the greenhouse effect and weather patterns.
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