Question

Rocks are the economic significance because _________________.

• A. They provide soils.
• B. They provide metals.
• C. They provide minerals.
• D. All of these

Answer 1

The correct option is D All of these

• Rocks are the parent material for soil.
• Rocks are also found in form of ores which serve as a source of various metals.
• Rocks are the source of various minerals like phosphates and nitrates.
• Hence all are correct.