C) fueron
its the past test of going
1) The cultivation of sugar cane
2) Production of salt by the evaporation of sea water
They are important because they produce money.
(Note, this is Aguadulce, Panama. As for Spain or CA, I'm not sure.)
Un, an easy way to tell is through the ending vowel.
The 'o' in boligrafo is masculine, so the there are two automatic answers brought forward, 'un', and 'el'.
Then, in english, it would be like saying 'the' or 'a' whereas the is either 'el' or 'la', while a a 'un' or 'una' respectively.
The correct answer is D. naturopatía
Naturopathy or naturopathic medicine is a form of alternative medicine that employs an array of pseudoscientific practices branded as "natural"