An
archaeologist
,
Emilio
Estrada
,
____________________
the
Valdivia
culture
in
the
year
____________________
.
This
culture
____________________
alive
between
the
years
3500
and
1800
BC
in
Ecuador
.
Valdivia
culture
____________________
from
40
centimeters
to
3
.
40
meters
thick
.
A
distinctive
characteristic
of
the
paste
____________________
the
poor
mixture
of
clay
and
temper
particles
.
