Answer:
Neanderthals
Explanation:
Homo sapiens encountered neanderthals in europe and had offspring.
The correct answer is catalyst. Hope that helps.
Explanation:
Melanin is the pigment which absorbs UV light and it is present in skin and gives black colour to it.As we can see africans usually have black skin as they have to face direct uv light.
Answer: Organ replacement
Explanation: