Final answer:
The fear of being buried alive is called taphophobia. Xenophobia is the irrational fear or hatred of another culture, and thanatology is the study of death and dying.
Step-by-step explanation:
The term for the fear of being buried alive is known as taphophobia. This term is not listed in the provided multiple-choice answers. However, to address the similar terms provided, the answer to the question, 'The irrational fear or hatred of another culture is called:', would be b. xenophobia. Moreover, when referring to the study of 'death and dying', the correct term is c. thanatology, which is a branch of science that studies the psychological and social aspects related to dying and bereavement.