Examlex
Fuelwood is a major source of wood in many less-developed nations.
Chemical Identity
The unique combination of chemical properties and composition that precisely identifies a substance.
State of Matter
A distinct form that different phases of matter take on, traditionally classified as solid, liquid, gas, and plasma.
Chemical Change
A process that involves the reorganization of the atoms in one or more substances, resulting in the formation of new products with different properties.
Matter
Anything that occupies space and has mass.
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