The scientists all agreed that rules of physics, ______ we are all familiar, govern the world.

1. A.
   to which
2. B.
   on which
3. C.
   which
4. D.
   with which

The scientists all agreed that rules of physics, ______ we are all familiar, govern the world.

    A. to which         B. on which                  C. which                      D. with which

The scientists all agreed that rules of physics, ______ we are all familiar, govern the world.

    A. to which              B. on which                         C. which                              D. with which

The scientists all agreed that rules of physics, ______ we are all familiar, govern the world.