In Arecibo, scientists observe the universe with the world's largest astronomical _______________. Is what your saying I'd say Observatory but en espaniol <span>observatorio</span>
(Investigando)
(Isla)
(Haciendo)
(Buscando)
(Leyendo)
(Aprendiendo)
(Practicando)
Answer:
Grammar hunches verbs like like
Explanation: