mas means more
menos means less
you can use them to compare two things or people eg. ciara es mas alta que alex. ciara is more taller than alex. always remember that mas+ the adjective+ que.
same for menos eg. ciara es menos inteligente que tu. ciara is less intelligent than you, menos+adjective+que
Answer:
Think about it like male and female articles.
Explanation:
If the word ends in a then the answer will be "la". That's the female article. If the word ends in o then the answer will be "el". That's the male article. "Los" is also a male article and "las" is also a female article. Those are the basics of Spanish articles.
My book is The Lord of the Rings.