Final answer:
A D6 is a six-sided die used in various games and educational settings to teach probability. Verification for fairness involves testing the die's balance through multiple rolls, while verification for availability could mean finding them at game or educational supply stores.
Step-by-step explanation:
A D6 is commonly known as a six-sided die, often used in board games, tabletop role-playing games, and for educational purposes in mathematics to teach probability. The numbers one through six are typically represented on the faces of the cube, each appearing once. When discussing where to verify them, this could mean checking for the balance and fairness of the die, which is essential in games of chance. If so, one could roll the die multiple times, say 60 or more times, to ensure each number has approximately an equal chance of appearing, indicating the die is not biased. On the other hand, if 'verify' refers to finding a D6 for purchase or use, one might verify them at local game stores, online retailers, or educational supply stores.