Weegy: Minerals are naturally occurring, inorganic substances with a fixed crystal structure and a unique chemical composition.
User: Processing ore sometimes involves _______ or grinding minerals.
Weegy: Processing ore sometimes involves Crushing or grinding minerals.
User: Prehistoric people used _______ for knives and arrowheads.
Weegy: Prehistoric people used FLINT for knives and arrowheads.
User: The average American house contains about _______ pounds of minerals.
Weegy: The average American house contains about 250,000 pounds of minerals.
User: Early _______ used rocks as simple tools as early as 2.6 million years ago.
Weegy: Early hominids used rocks as simple tools as early as 2.6 million years ago.
User: What three conditions must be present for minerals to form through natural processes?
Weegy: Temperature, pressure, and pH must be favorable for minerals to form through natural processes.
User: Why are minerals considered inorganic substances?
Weegy: Minerals are considered inorganic substances because: It was not made by living organisms.
User: How do oxides differ from other minerals that contain oxygen atoms?
Weegy: Oxides differ from other minerals that contain oxygen atoms in that: In oxides, the oxygen atoms bond directly to one or more metals, while minerals, such as carbonates, sulfates, and silicates, [ the oxygen atoms are part of molecules in which the oxygen is already bonded to another element.
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User: How is a sulfide different from a sulfate?
Weegy: The main difference between a sulfate and a sulfide is that the sulfate is a anion and the sulfide is a chemical compound.
User: What makes native elements unique?
Weegy: Native elements are unique because these Minerals are composed of atoms from a single element.
User: Some igneous rock forms from magma that cools slowly within Earth’s crust. Briefly describe the most likely crystallization and texture of the rock.
Weegy: Some Igneous rock that forms ...
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