Question

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.

Explanation:

• Dark, cool sun surface areas are sunspots, not prominences.
• Prominences are made of cool, dense plasma/gas suspended by magnetic fields.
• Erupting prominences (solar ejections) can disrupt Earth's radio communications.
• Prominences follow the 11-year solar activity cycle.
• Many prominences have a characteristic loop shape, anchored to the sun's surface.
• Prominences often form and appear in clustered groups.

Answer:

• 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.