450-900 is the answer I think
Answer:
a line of hereditary rulers of a country.
False
Hope I helped!
~ Zoe
Sputnik I was the world's first ever artificial satellite that launched by the Soviet Union in 1957. This marked the start of the "space age" which pushed the race between the US and the USSR in the field. Because of this "competition", many scientific discoveries were made to study and even travel to outer space.
