1. Loqueocurrióen1492ñafue
A expulsaron de España a miles de judíos
B los barcos de Colón arribaron a América
C los españoles reconquistaron el reino árabe
D todo lo anterior sucedió en 1942

Right answer: a. comprarías

this question is given using the conditional form. conditional tenses are is used when talking about hypothetical situations and probabilities. also, this is used when making polite requests. so comprarías is the conjugation of the verb comprar that matches the second person singular in the conditional. finally:

¿cuál comprarías tú?

These objects represent mayan numerals. just like roman numerals, they are combined to symbolize a numeral and this enabled astronomers, scholars and architects to compute various equations yet it was also used by farmers and traders in their day to day transactions.

Beber should be in the blank

Its gaviotas.  las gaviotas son aves que viven en las regiones costeras.