A typical galaxy like our Milky Way galaxy contains Group of answer choices primarily planets gas only stars (some with planets), gas and dust a single star and planets thousands of superclusters

The correct option will be "stars (some with planets), gas, and dust".

Explanation:

The galaxy throughout the spiral which appears to include our planetary system. Comprising an approximated 200 billion stars upwards of, it seems like an unpredictable band of the hazily visible region throughout the darkness of space from Earth. If it's that pitch black, far enough from the lighting fixtures of towns as well as residences, you could almost see the Milky Way's dirt albums stretching throughout the sky.

Its decreasing because of illnesses

Ashould be answer.