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?
Photon
Neutron
Electron
Proton
163. What is the standard atomic weight of a Plutonium nucleus?
128
94
244
481
164. How long is a light-year?
105.40 Earth-years
501.2 Million Miles
1 AU
9.461 Trillion Kilometres
165. What is the colour of unoxidized blood?
Red
Green
Blue
Purple
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