Which Observational Fact Leads Scientists to the Conclusion That the Particles

question 63

Multiple Choice

Which observational fact leads scientists to the conclusion that the particles making up Saturn's rings are ice or ice-covered rocks?

• A) high albedo, or reflectivity, of the ring material
• B) distribution of their sizes; water ice is only strong enough to form the objects of the sizes detected in the rings
• C) spectrum of the reflected light, which shows features unique to water ice
• D) thin layer of haze above and below the rings originating from evaporated water vapor

---

Definitions:

Direct Labor

Labor costs that are directly associated with the production of goods or the provision of services.

Nails and Screws

Basic hardware items used in construction and carpentry to fasten materials together.

Direct Cost

Expenses directly attributable to the production of goods or services, such as raw materials and labor.

Indirect Cost

Costs not directly traceable to a product, department, or project, such as administration, rent, and utilities.