Practice your trivia skills: Science & Nature

Science & Nature

156. What does the yellow diamond on the NFPA 704 fire diamond represent?

Reactivity

Health

Flammability

Radioactivity

157. Human cells typically have how many copies of each gene?

158. Autosomal-dominant Compelling Helio-Ophthalmic Outburst syndrome is the need to do what when seeing the Sun?

Yawn

Sneeze

Cough

Hiccup

159. Rhinoplasty is a surgical procedure on what part of the human body?

Nose

Chin

Ears

Neck

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