Particles That Make Up the Rings of Uranus and Neptune

question 51

Multiple Choice

Particles that make up the rings of Uranus and Neptune are composed of:

• A) rocky material from tidally disrupted moons
• B) organic material that has darkened due to bombardment by cosmic rays
• C) icy material from tidally disrupted comets
• D) all of the above

---

Definitions:

Past Cost Data

Historical financial information regarding the costs incurred by a business.

Ideal Standards

Standards that can be achieved only under perfect operating conditions, such as no idle time, no machine breakdowns, and no materials spoilage; also called theoretical standards.

Machine Breakdowns

Refers to the unexpected failures or malfunctions of machinery that disrupt the production process or operations.

Materials Spoilage

The portion of raw materials that becomes unusable and is discarded during the production process.