Statistics for O Challenge - Random Questions

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Hint	Answer	% Correct
Not closed	Open	96%
This country borders Yemen and Saudi Arabia	Oman	93%
A tool you can row a boat with	Oar	91%
A form of theater known for its beautiful singing and dramatic roles	Opera	91%
The layer in the Earth's atmosphere that protects us from the sun's UV rays	{Ozone} layer	91%
A foul smell	Odor	89%
The state located above Texas	Oklahoma	85%
The reproductive organ that carries human eggs	Ovary	84%
A type of tree featured in Minecraft	Oak	69%
The biggest city in Nebraska	Omaha	65%
The opposite of Oriental	Occidental	45%
The taxonomic domain of classification between Class and Family	Order	44%
The capital of Burkina Faso	Ouagadougou	38%
An administrative division or region in Russia; a Russian state	Oblast	36%
A human happiness hormone, often called the "love hormone"	Oxytocin	20%