¿Cuales son los efectos de la plata en la flora? (Pueden ser efectos positivos o negativos no importa) ​

The correct answer is  b) 

There's no options to. choose from

It might. it might because if you think about if they discovered if we came from (lets say something funny like aliens) and thy found cells that matched and they would have t do more research about it but would most probably change their theory.