It was the Precambrian time period.
The Precambrian time
because
Segment 21 .
the sumatra earthquake was the onget earthquake in history, it lasted about 10 minutes and killed over 300,000 people
they have 4 of them on each segment
not what those guys said
Pre-Cambrian Time Period
Equator is the longest parallel on the Earth's surface. It divides the Earth into the Northern Hemisphere and the Southern Hemisphere and is located at 0 degrees latitude.
There hasn't been a longest day in history......
the nile river is the longest river in history.
A line is longer.!?!
A line segment is a specific length. A line goes on forever in both directions.
erosion
Oceanic Ridge
The longest suicide note in history happened in 1983.
1000 base‑lx
Nile Amazon Yangtze Mississippi - Missouri
Because of the earths tilt of 22.5 degrees