How do you say "when is rio carnival held? " in portuguese

Read the passage from "the lady, or the tiger.” as the youth advanced into the arena he turned, as the custom was, to bow to the king, but he did not think at all of that royal personage. his eyes were fixed upon the princess, who sat to the right of her father. had it not been for the moiety of barbarism in her nature it is probable that lady would not have been there. . the author builds suspense in the passage by

Lena has recruited a small group of students to volunteer to clean up the local park. the typeof group that would best serve this purpose is a(a.)informationalb.)learningc.)focusd.) task

What was a problem faced by many newly independent african countries