Answer:
1) Likeness: Likeness of members in a social group is the primary basis of their mutuality.
2) Interdependence: It is not possible for human being to satisfy his desire in isolation.
3) Cooperation: If the members of the society do not work together for the common purposes, they cannot lead a happy and comfortable life.
Answer:
a I think maybe it's b or a
The total temperature change between 3 km and 7 km above Earth's surface is around -20c and -15c.