Practice your trivia skills: Science & Nature
CategoriesScience & Nature
156. What does the yellow diamond on the NFPA 704 fire diamond represent?
Radioactivity
Flammability
Health
Reactivity
157. Human cells typically have how many copies of each gene?
4
2
3
1
158. Autosomal-dominant Compelling Helio-Ophthalmic Outburst syndrome is the need to do what when seeing the Sun?
Yawn
Hiccup
Cough
Sneeze
159. Rhinoplasty is a surgical procedure on what part of the human body?
Neck
Nose
Chin
Ears
160. What is the half-life of Uranium-235?
1,260,900,000 years
703,800,000 years
4,300,400,000 years
Uranium-235 is a stable isotope
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