In nature some animals actively defend the area ____they depend for the resources.

1. A.
   in which
2. B.
   on which
3. C.
   which
4. D.
   where

In nature some animals actively defend the area ____they depend for the resources.

         A．in which     B．on which    C．which          D．where

3．In nature some animals actively defend the area_____________they depend for the resources.

       A．in which   B．on which  C．which       D．Where

In nature some animals actively defend the area           they depend for the resources.

A．in which          B．on which           C．which          D．where

3．In nature some animals actively defend the area_____________they depend for the resources.