Answer:
D. spontaneous recovery
Explanation:
Based on the information provided in regards to the situation at hand it seems that Jane's nausea best illustrates spontaneous recovery. This is a phenomenon discovered by Ivan Pavlov which refers to the re-appearance of a conditioned response thought to have been gone after a significant delay. Which is what is happening since Jane suddenly began having nausea (conditioned response) after having entered the waiting room a couple of decades later.
Answer:
The air pollutant that I was exposed to last week was the bush burning by one mr Ade nearer to my house. The smoke from the bush burning made the atmosphere unfriendly. It caused breathing impairment and also led to coughing and sneezing at the same time.
