Which Mineral Is Used to Make Drilling Muds Denser to Prevent

question 16

Multiple Choice

Which mineral is used to make drilling muds denser to prevent blowouts?

• A)barite
• B)halite
• C)galena
• D)pyrite

---

Definitions:

Marginal Cost

The cost added by producing one additional unit of a product or service.

Marginal Revenue

The increase in total revenue resulting from the sale of one additional unit of a product or service.

Value of the Marginal Product

The additional revenue a firm generates from employing one more unit of input, keeping other inputs constant.

Marginal Productivity

The additional output generated by adding one more unit of a specific input, while holding all other inputs constant.