The answer to this question is C. URANIUM, although it is dangerous in other ways, it does not release co2
Im not sure if this will be the answer you teacher is looking for but i think the answer would be
Hair on the head protects scalp from injury and sunlight
Eyelashes and eyebrows protect eyes
Nostril and ear hairs protect from foreign particles
Vaccine immunization is the correct answer I really hope that this helps and
