Esta inmunidad actúa siempre de la misma manera y con la misma intensidad sin importar el agente al que se enfrenta pero no genera protección contra reinfecciones

well since twins have about the same dna they dont have one think in common which is the figer print. nobodys fingerprint is the same. if your using twin you would most likely get around the same results for both of them because of the genetics.. i hope this

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane

because the early people found out about it.