The frequency of light emitted from a source is changed. what visible evidence would indicate this? a) the light source would look dimmer. b) the light source would change color. c) the light source would look brighter. d) the light source would change intensity.

C.) the light source would brighter

Explanation: if light is emitted from a source the light would be brighter because the light get brighter not dimmer that would be if the light was darkend

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.