Which statements describe prominences? Check all that apply.

Prominences are dark, cool areas on the surface of the Sun.
Prominences are composed of cool, dense gas.
Prominences can disturb radio communications on Earth.
Prominences cycle over an 11-year period.
Prominences are loop shaped.
Prominences appear in groups.

Prominences are composed of cool, dense gas.

Prominences can disturb radio communications on Earth.
Prominences are loop shaped.
Prominences appear in groups.

The statements that describe prominences are:

- Prominences are composed of cool, dense gas.
- Prominences can disturb radio communications on Earth.
- Prominences are loop shaped.
- Prominences appear in groups.