Respuesta :
1. La chica es muy reservada. - The girl is very shy. You need to use la because chica is female. El is used for males. Ella and el are pronouns, so you cannot use them here.
2. Carolina es una amiga simpatica. - Carolina is a cute friend. Again, the same thing as in the previous sentence - una is used for girls.
3. The Galapagos Islands are volcanic.
4. Germany is the country which does not participate in the Pan American Games, whereas Mexico, Canada, and Cuba do.
5. The 2015 Pan American Games take place is Canada.
2. Carolina es una amiga simpatica. - Carolina is a cute friend. Again, the same thing as in the previous sentence - una is used for girls.
3. The Galapagos Islands are volcanic.
4. Germany is the country which does not participate in the Pan American Games, whereas Mexico, Canada, and Cuba do.
5. The 2015 Pan American Games take place is Canada.