a
)
1
.
75
billion
years
how
much
longer
Earth
can
support
____________________
b
)
minus
60°C
the
average
____________________
at
night
on
Mars
c
)
20°C
the
average
temperature
in
the
____________________
on
Mars
d
)
400°C
the
temperature
on
the
planet
____________________
e
)
24
hours
,
39
minutes
and
35
seconds
the
length
of
a
day
on
____________________
f
)
117
days
the
length
of
a
day
on
____________________
g
)
225
million
kilometers
the
average
____________________
between
the
Earth
and
Mars
h
)
250
,
000
kilometers
an
hour
how
fast
a
____________________
can
travel
i
)
40
kilometers
how
high
____________________
can
go
into
the
atmosphere
of
Mar
s
