Answer:
investigo - hace - busca
Explanation:
The present simple is a verbal tense of the present that is used to talk about general facts or truths that constitute habits, schedules or programs, customs and routines of daily life.
it has writing on it that is what is tras
translated to "what breaks without being touched?"
answer to the riddle; a promise, or even silence
Nosotros somos de la escuela.
Hope it helps!!