Answer:
The Sun is a star at the center of our Solar System. It is an almost perfect sphere of plasma. It is essential for life on Earth. It is also almost 4.5 BILLION years old! It generates our magnetic field.
Explanation:
A. Urban renewal
Urban renewal is the set of plans and activities to upgrade neighborhoods and suburbs that are in a state of distress or decay.
Correct, it depends on the Super connector. Social networks are related to each connection. And if we are linked to one Super connector we have more chance to be even more linked to other people.
Answer:
They used ocean for transportation and used mountains for protection
Explanation:
