Which characteristics are considered most typical of an old galaxy in decline?(1 point)

Question

Responses

shrinking in size, high dust content
shrinking in size, high dust content

low gas content, little star formation
low gas content, little star formation

very bright, relatively small
very bright, relatively small

spiral, abundant planets present

Answer 1

The characteristics that are considered most typical of an old galaxy in decline are:

low gas content, little star formation

This reflects the state of older galaxies, where the available gas for new star formation has been depleted, leading to a decline in star creation activity.