¿qué condiciones del tiempo son peligrosas?
llovizna.
hay terremoto.
hay deslizamiento de tierra.
hay nubes.

Hay terremoto.

Hay deslizamiento de tierra.

Explanation:

The question is asking which weather conditions are dangerous.  

These are the meaning of the words used:

llovizna - drizzle (light rain)

terremoto - earthquake

deslizamiento de tierra - landslide

nubes- clouds

Clearly, earthquakes and landslides are dangerous, and, clouds and light rain are not.

So the answer is both

Hay terremoto.

Hay deslizamiento de tierra.

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