useless trivia: What Word Means: In A Dejected Mood?

Questions

Geology These limestone deposits rise from the floor of caves.?

Geology This is the hardest naturally occurring substance.?

Geology What name is used to describe permanently-frozen subsoil?

Hahaha This normally has 4 legs and your butt is parked in it right now.?

Hirtory Name the first black nation to gain freedom from European colonial rule.?