Explanation:

2 only.

• A mineral is a naturally occurring organic and inorganic substance.
• It has an orderly atomic structure and a definite chemical composition and physical properties.
• A mineral is composed of two or more elements. But sometimes single element minerals like sulfur, copper, silver, gold, graphite etc.
• Sulfur, phosphates and nitrates are examples of non-metallic minerals. They are employed in the creation of fertilizer and cement. Cement is a mixture of non-metallic minerals.