   plants  are  the only  living things that
can use sunlight to change certain materials
of  the earth into food.  this is the reason
that all of our food really comes from green
plants. people, like other animals, must eat
plants  or  other kinds  of animals that eat
plants. now can you see why the land, water,
air,  and  sunshine  of  the  earth  are  so
important for all living things?
   there  are many different kinds of places
on  the  earth. some  places are rainy. some
are  dry.  some  places  are  very  cold  in
winter.  other places are  always warm. some
places  are level, and others are hilly. you
will  find  out  how  people  live  in  many
different  kinds of places. in which kind of
place do you live?
   some people live in ways much like yours.
some  people  live in  ways  quite different
from  yours.  but all  people share the same
planet - the earth.
