A student may be dissatisfied with her education, despite attending a highly regarded university, if she dislikes her instructors, advisers, or administrators. This type of problem arises due to the of services.

The correct answer is : Inseparability of services

Explanation:

It happens when is impossible to separate of divorce the supply or production of the service from its consumption. In this example, this is the main characteristic. Education as a service is generally produced and consumed at the same time. The participants participate actively in the process.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer