Practice your trivia skills: Science & Nature

Science & Nature

161. What is the largest animal currently on Earth?

Colossal Squid

Blue Whale

Giraffe

Orca

162. A positron is an antiparticle of a what?

Photon

Neutron

Proton

Electron

163. What is the standard atomic weight of a Plutonium nucleus?

128

481

244

164. How long is a light-year?

9.461 Trillion Kilometres

105.40 Earth-years

1 AU

501.2 Million Miles

165. What is the colour of unoxidized blood?

Purple

Red

Green

Blue