Answer:
A rainbow is caused by sunlight and atmospheric conditions.
Answer:
Han?
Explanation:
If by civilizations you mean ethnic groups it would be the Han.
It would be harder for us to identify all the different types of animals that lived long ago.
Answer:
Explanation:
Can you add the following answer choices?
External migration takes place for educational or economic reasons as well, but often, it is politically motivated. An international migrant is someone who moves to a different country. Simply, internal migration refers to the movement of people within a country.
