Answer:
River capture events cause isolation of populations of freshwater fish. These populations then evolve separately, as their genes mutate in different ways. Without reproductive homogenization, the populations can become quite different, and can even become separate species on longer time scales
You have to be more specific
Most commonly, race is associated with biology and ethnicity with culture. You can't change your race, but you can declare multiple ethnic ties.
The correct answer should be A.
Hope this helps.
1. inadequate health care facilities
2. poor housing
3. inadequate materials for electricity supply
and so on
Answer:
Chicken.
Explanation:
Without Chicken, Chicken egg does not exist.