Practice your trivia skills: Science & Nature
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Science & Nature
161. What is the largest animal currently on Earth?
Orca
Colossal Squid
Giraffe
Blue Whale
162. A positron is an antiparticle of a what?
Electron
Neutron
Photon
Proton
163. What is the standard atomic weight of a Plutonium nucleus?
94
244
128
481
164. How long is a light-year?
1 AU
9.461 Trillion Kilometres
105.40 Earth-years
501.2 Million Miles
165. What is the colour of unoxidized blood?
Green
Purple
Blue
Red
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