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