Answer:
Primary
Explanation:
There are 4 sectors in an economy
Primary: extraction and production of raw materials, like agriculture, mining and fishing.
Secondary: manufacturing and processing, like construction, manufacturing of goods.
Tertiary: Provides intangible goods to consumers, like service industry. healthcare. legal services. insurance and banking.
Quaternary: intellectual aspect, like education and research
The correct answers are.
A. A fault breaks through sedimentary layers.
B. Sedimentary layers form and then are tilted.
C. Igneous rock forms between sedimentary layers.
Hope this helps!
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