Maple health care, a chain of private hospitals and laboratories, finds it difficult to measure the productivity of its staff. which of the following reasons can be attributed to this problem of service providers

The reason that can be attributed to this problem of service providers is: that they vary job to job.

Explanation:

It is hard and mostly impossible for any chain to measure the productivity of its staff if the staff is changing constanlty. Productivity can only be measured by considering the variable of a working activity within time, in order to evaluate and keep track of the work done.

answer; /// i believe that the correct answer is (c); ///when the lungs expand, they fill with air from the atmosphere;