Paleozoic era
Mesozoic
There have been various periods when most of the earth was covered in glaciers, they are called Ice Ages, and the most recent ended about 10,000 years ago.the ice age
Barren with few trees
Uncovered
barren with few treesIn the northern hemisphere.
Well nobody does really know yet when that "period of time" was if it even happened.
Massive Magazine ended in 1999.
Massive Development ended in 2005.
Mesozoic
Massive - TV series - ended on 2008-10-12.
Here is one: A massive comet or asteroid appears to have ended the dinosaurs lives.
There have been various periods when most of the earth was covered in glaciers, they are called Ice Ages, and the most recent ended about 10,000 years ago.the ice age
The Devonian time period ended because of a mass extinction of several species of fish, amphibians and other types of reptiles.
ordering a massive airlift
A huge head ended with a massive horn curved upwards.
Barren with few trees
Barren with few trees