Answer:
A rainbow is caused by sunlight and atmospheric conditions.
South Africa is an actual country whereas Southern Africa is a region that is made up of several countries
Educated people don't need to be in Iran. Iran doesn't provide colleges or any type of higher education that awards degrees. Iran is also a dangerous place, especially for women, seeing as you have gangs or terrorist groups such as The Taliban or Isis.
Are you referring to a picture? if not, stars range in size from neutron stars, which vary anywhere from 20 to 40 km in diameter
