10
Interesting
Facts
About
the
World
You
Probably
Didn't
Know 1.
The
Earth
has
been
around
for
about
4.54
billion
years. 2.
There
are
approximately
8.7
million
known
species
on
Earth. 3.
The
tallest
mountain
in
the
world,
Mount
Everest,
stands
at
29,029
feet. 4.
The
deepest
part
of
the
ocean,
the
Challenger
Deep,
is
about
36,070
feet
deep. 5.
About
71%
of
the
Earth's
surface
is
covered
in
water. 6.
The
Great
Barrier
Reef,
the
world's
largest
coral
reef
system,
is
approximately
1,429
miles
long. 7.
The
Earth's
atmosphere
contains
about
21%
oxygen,
78%
nitrogen,
and
1%
other
gases. 8.
Antarctica
is
the
coldest
continent
on
Earth,
with
temperatures
reaching
as
low
as
-128.6°F. 9.
The
world's
largest
living
organism
is
a
fungus
known
as
Armillaria
ostoyae,
which
covers
2,200
acres
in
Oregon. 10.
The
oldest
living
tree
in
the
world,
a
Great
Basin
bristlecone
pine
known
as
Methuselah,『学习更多 星座查询知识知识请关注 :桃花星座知识网,wwW.ITaoHua.cC』】
is
over
4,800
years
old. These
facts
about
the
world
may
seem
insignificant,
but
they
remind
us
of
the
vastness
and
complexity
of
our
planet.
The
world
is
full
of
surprises
and
wonders
waiting
to
be
discovered.
It
is
important
to
appreciate
and
cherish
the
natural
beauty
around
us
and
to
continue
to
learn
and
explore
the
mysteries
of
the
world.