Practice your trivia skills: Science & Nature

Science & Nature

116. What was the name of the first artificial Earth satellite, launched by the Soviet Union in 1957?

117. All of the following human genetic haplogroup names are shared between Y-chromosome and mitochondrial DNA haplogroups EXCEPT:

118. When was the first mammal successfully cloned?

119. What mineral has the lowest number on the Mohs scale?

120. How many protons are in an oxygen atom?