Lord Buddha rsquo s image is sometimes shown with the hand gesture called lsquo Bhumisparsha Mudra r...........

Buddha’s calling of the Earth to watch over Mara and to prevent Mara from disturbing his meditation

Buddha’s reminder to his followers that they all arise from the Earth and finally dissolve into the Earth, and thus this life is transitory

Both the statements (a) and (b) are correct in this context