How is it possible that countries with the same population size and affluence could differ in their environmental impacts

Depending on how wealthy the country is, Their environmental impact could be different based on the amount of environmentally friendly technology they have.

Explanation:

The European continent is highly populated. places like India and China have different living standards and this reflects in their environmental impacts. Trash is everywhere and people let nature call wherever they are. The output from motor vehicles alone is outstanding in its destructive nature. This is why you could have a country with same population but different environmental impacts.

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.