Here's why:

* Sulfuric acid is a vital industrial chemical. It's used in many different industries, including:

* Fertilizer production: Sulfuric acid is used to make phosphate fertilizers, which are essential for crop growth.

* Chemical manufacturing: It's a key ingredient in the production of many other chemicals, such as plastics, detergents, and pharmaceuticals.

* Metal processing: Used in the refining of metals like copper and zinc.

* Battery production: Sulfuric acid is used in lead-acid batteries, which are commonly found in cars and other vehicles.

Therefore, the demand for sulfuric acid drives the demand for sulfur, making it the main use of this element.