Answer:
It is C.
Explanation:
because it tells you that is a natural elevation (una elevación natural) and that it haves a motain for by telling you this (característica forma cónica o pico).
Espero aprender a tocar el piano con la Sra. Fernández
The correct answer is: "Es preciso que uses sombrero"
In english (if needed): Pamela: "How can I protect my face from sunburn?" Roberto: "It's necessary to wear a hat."
Hoped I helped ^.^
D because cero is 0 which already cancels 2 then diecinueve is 19