It is determine by brightness
C. Somalia
All of the other countries listed have pretty stable governments in place whereas in Somalia a lot of it is ungoverned or under anarchy.
d. continuous urban development connected by transportation routes.
Answer: The correct requirement for a black hole to form is:
C. The star must be 10 to 28 times larger than Earth’s sun, and a supernova explosion must have occurred.
Explanation: The least star that is larger than the sun is 10 times larger and a supernova explosion would have happen before a black hole to form.
For example, when a government imposes an import tariff, it adds to the cost of importing the specified goods or services The additional marginal cost added by the tariff discourages imports, thus affecting the balance of trade.