What type of dance competition is central to Rio de Janeiro’s Carnaval celebration?

tango
samba***
merengue
rumba

as I remember you are right :)

The dance competition that is central to Rio de Janeiro's Carnaval celebration is Samba.

To find the answer to this question, you can start by understanding the context. Rio de Janeiro's Carnaval is a famous and vibrant festival celebrated in Brazil, known for its music, parades, and dancing. Based on this knowledge, you can eliminate dance styles that are not commonly associated with Brazilian culture, such as tango, merengue, and rumba.

Next, focus on the dance style that is most closely associated with Brazil and specifically with Carnaval. Samba is a lively and rhythmic dance style that originated in Brazil, making it a suitable choice for the dance competition at Rio de Janeiro's Carnaval.

Therefore, the correct answer is Samba.