<span>I would say ... C. adolescence </span>
Are there answers you are supposed to pick from?
Explanation:
A is correct in my opionion because it seems they have not established any rules or boundaries
Answer: 
- Lead, cobalt, arsenic and selenium appear to pass the placental barrier by a diffusion mechanism. It was also found that the mercury levels in cord blood were almost double those of the mother, suggesting that the foetus may act as a filter for the maternal mercury levels during pregnancy.
Explanation:
- Have a terrific day! <3
- Make sure to thank & rate, it’s always appreciated! <3
It results in maintaining weight
Hope this helps :)
Humans: legs, walk
bird: wings, fly
insect: legs or wings, fly or walk
fish: fins, swim