Final answer:
The sentence should be completed with the word 'riesgos'.
Explanation:
The correct word that best completes the sentence is: riesgos.
In the context provided, the sentence is discussing that online communities have many advantages but also clear risks, indicating potential dangers or downsides associated with them.
Understanding vocabulary related to online communities is crucial for effective communication and comprehension in Spanish language studies.
Learn more about Spanish language vocabulary here:
https://brainly.com/question/42709666
