A person with darker skin produces more melanin. Those are the dark brown pigments that come from your skin, hair, or eye color.
Hope that helps. -UF aka Nadia
Answer:
models are universal. option A
Carbon accumulates oxygen
It will become a theory after repeated experimentation
The species is the correct answer in the question above. For they have the ability to interbreed even though they are isolated from other organisms. They are called or termed of two organisms that has the ability to produce another specie or offspring after they mated.