Page 67 - 4-1.5 ESPE-Intermediate-book1.5
P. 67
Arrange the events in proper order.
Pangaea began breaking up, the super
continent at that time.
There were no landscapes yet, but a sea of
fire in molten rock.
The world's population is 8 billion people and
continues to grow.
Our planet was formed in 4.54 billion years
ago.
The power over the planet was then passed
on to mammals in 50 million years ago.
There was only a newly formed proto sun,
and a ring of gas and dust.
Our planet was a snowball.
