10. Which statement correctly describes both rocks and minerals? (1 point)
Rocks are naturally occurring and minerals are not naturally occurring.
Rocks only occur as solids and minerals occur as solids, liquids, and gases.
Rocks have uniform structures and minerals are formed by inorganic processes.
Rocks are made up of minerals and minerals have a definite chemical composition.
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The statement that correctly describes both rocks and minerals is: "Rocks are made up of minerals and minerals have a definite chemical composition."
The statement that correctly describes both rocks and minerals is: "Rocks are made up of minerals and minerals have a definite chemical composition."
To understand why this is the correct statement, let's break it down:
1. Rocks are made up of minerals:
Rocks are composed of various minerals. Minerals are naturally occurring substances with specific chemical compositions and crystal structures. When minerals combine, they form rocks. For example, granite is a type of rock made up of minerals like quartz, feldspar, and mica.
2. Minerals have a definite chemical composition:
Each mineral has a specific chemical composition, meaning it consists of certain elements arranged in a particular ratio. This composition is distinct for each mineral. For example, the mineral calcite consists of calcium, carbon, and oxygen, with the chemical formula CaCO3. This composition gives minerals their unique physical and chemical properties.
Understanding these concepts helps us recognize that rocks and minerals are closely related but have distinct characteristics. Rocks are made up of minerals, and minerals have a definite chemical composition.