why does the author open with a scene of Esperanza and her father lying down to hear the heartbeat of the earth?How does this shared experince seen to affect Esperanza relationship with her father?

Esperanza's family is central to her growth and work. Her father teaches her that the land is alive. It is this bond between the land and her family that provides for Esperanza's formidable years. Esperanza loves her father: he is kind and nurturing.