Empezan
Quieren
Perdemos
Quiero
Queremos
Quieren
Prefiero
Piensan
Answer:
The answer is 1. or "Juan besa la mano de su novia."
Explanation:
This translates to "Juan kisses the hand of his girlfriend," as opposed to the incorrect alternative meaning the same thing, but adding a conditional "a" would make the sentence more intimate toward her hand when it shouldn't be
The theory developed based on observations made on the Galapagos islands was, Natural Selection.
I hope I helped you!
Source: https://socratic.org/questions/which-theory-was-developed-based-on-observations-made-on-the-gal-pagos-islands