How Do Geologists Know That Diamond Is the Hardest Mineral

question 2

Multiple Choice

How do geologists know that diamond is the hardest mineral?

• A) They conduct molecular analyses.
• B) They conduct a crush test.
• C) They conduct a scratch test.
• D) They conduct a streak test.

---

Definitions:

Tarry Green Stools

Stools that are black or dark green in color, potentially indicating gastrointestinal bleeding or the presence of bile, requiring medical evaluation.

Diarrhea

The occurrence of loose or watery stools frequently, which can lead to dehydration and mineral imbalances.

One-piece Construction

A design or manufacturing method where an object or structure is made as a single, continuous piece without assembled parts.

Pliable Material

A substance that can bend easily or be molded without breaking; flexible.