They give us informations about our ancestors and how did they live and what did they do and than compare it to present way's of life.
C the size of glaciers in alaska
Common sense is based on personal experiences. But Sociology looks at the society not with respect to individuals but as a whole. While common sense develops as one experiences various situations but Sociology demands thoughts that are not merely individual experiences. Which means I disagree with the statement “sociology has been described by some as the study of common sense”.
Answer:
1-false, since its shape is only elliptical
2-true, Large elliptical galaxies often have a system of globular clusters, double nuclei, and large numbers of satellite galaxies. One possible interpretation is galactic cannibalism, that is, the absorption of a smaller galaxy by a larger one - for example, our Milky Way is known to be "digesting" a couple of smaller galaxies today. Therefore they are assimilating or appearing new stars.
3- false, type 2 irregular galaxies are generally new galaxies but the same does not happen with elliptical ones.
4-true, since elliptical galaxies have new and old stars and irregular ones almost all new stars
Explanation:
Types of galaxies. Galaxies have three different configurations: elliptical, spiral, and irregular. A somewhat more specific description, based on its appearance, is provided by the Hubble sequence, proposed in 1936
