Palladium, a Soft Shiny Silvery-White Metal, Is One of Six

question 9

Multiple Choice

Palladium, a soft shiny silvery-white metal, is one of six platinum group metals and is relatively rare. It was discovered in 1803 by William Hyde Wollaston. Palladium often replaces platinum since it is cheaper, harder and lighter. It can be drawn into wire or hammered out into sheets, it is often mixed with gold for "white gold" jewelry. Palladium can also be used to make surgical instruments. Automobile manufacturers need the world's palladium for catalytic converters. Along with gold, silver, and platinum, palladium is a precious metal owned and traded by investors.
Palladium mining is an intricate process because it is spread out under the earth's surface. Mining palladium uses mechanical extraction methods that simplify the process. Makes it easier to get down into the Earth's crust. The reserves in the upper portions of the crust is becoming depleted, so miners have to dig deeper. Most palladium is in Russian, North America, South Africa, and South America. The largest North American palladium mine - Montana's Stillwater mine - is located in the United States. In South Africa, there is the largest proportion of palladium and platinum resource located mainly at the Bushveld Igeneous Complex.
Which is a valid comparison supported by this passage?

• A)Gold is more expensive than platinum.
• B)Silver, gold, platinum, and palladium are very similar.
• C)Gold is softer than palladium.
• D)Platinum is softer than palladium.

---

Definitions:

Enhanced Earnings

Improved or increased income from investments, work, or business operations.

Content Theories

Profile different needs that may motivate individual behavior.

Individual Beliefs

The personal convictions or acceptances that something is true or exists, which often guide behavior and decision-making.

Career Aspirations

Career aspirations are the long-term career goals or benchmarks that individuals aim to achieve in their professional lives.