Delectable, a fast food chain, emphasizes a lot on things like how the staffs are dressed, how the food is presented, as well as cleanliness of their service area. According to this information, Delectable is focusing on which of the following variables of service quality?

a. Assurances
b. Responsiveness
c. Tangibles
d. Empathy

C) Tangibles

Explanation:

The five variables of service quality are:

The tangibles variable basically refers to the physical environment, the facilities, equipment, staff and other communication materials displayed by the store or restaurant.

drop shippers;

ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'