Show:
Animals
Things
Humans and Parts
Academics
Challenges
100
Sheep
What are sheep?
100
Aircraft
What are aircraft?
100
Man
What are men?
100
Parenthesis
What are parentheses?
100
Focus
What are foci?
200
Goose
What are geese?
200
Die
What are dice?
200
Tooth
What are teeth?
200
Quiz
What are quizzes?
200
Phenomenon
What are phenomena?
300
Shrimp
What are shrimp?
300
Cactus
What are cacti?
300
Child
What are children?
300
Hypothesis
What are hypotheses?
300
Nucleus
What are nuclei?
400
Mouse
What are mice?
400
Fungus
What are fungi?
400
Person
What are people?
400
Analysis
What are analyses?
400
Criterion
What are criteria?
500
Ox
What are oxen?
500
Bacterium
What are bacteria?
500
Foot
What are feet?
500
Matrix
What are matrices?
500
Crisis
What are crises?