Examlex
Briefly state whether ectotherms or endotherms require more food and why.
Sulfide
A compound characterized by the presence of sulfur bonded with a metallic element or another nonmetal.
Commodity
A raw material or primary agricultural product that can be bought, sold, or traded, often interchangeable with other commodities of the same type.
Quartz
A hard, crystalline mineral composed of silicon dioxide, common in many rock types and valued for its clarity and variety of colors.
Sulfide Minerals
Minerals composed of sulfur combined with a metal or semimetal, often associated with the formation of ores.
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