Paragraph 2
The
on Earth is always moving. Three hundred million years
, there was one
. Over millions of years, it broke up. Giant
of land moved across the
to become
continents. Rifts are one reason why continents split
. The rift in Zambia is part of a 2,500-kilometre-long
. It is moving very slowly. It will take
of years for Africa to split in two. In 200 million years, there could be
one supercontinent again.
