In which type of symbiotic relationship is one organism while another is neither benefited nor harmed?
a mutualism
b predation
c commensalism
d parasitism

The type of symbiotic relationship in which one organism is helped while another is neither benefited nor harmed is C. Commensalism. Commensalism is a long-term biological interaction in which members of one species gain benefits, while members of the other species are not benefited nor harmed. In mutualism both species benefit from each other.

the cost of college has risen faster than inflation for many years.

the high price of student services and administration are two reasons for the rapid increase in cost.