All galaxies have a dense core of stars. Spiral galaxies, however, have arms that are often visible. There are two kinds of spiral galaxies: barred, where there appears to be a line running from arm to arm through the core, and <span>ordinary, where there is no bar. @Badbunnyhunny</span>
Are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels around the sun
Explanation:
1 Protection
2. Not getting caught for a few years
3 Deployment of Supervisors by the Government
Answer:
To help organize data and record information
