What is anemia of inflammation and chronic disease (AI/ACD)? Anemia of inflammation and chronic disease is a type of anemia that commonly occurs with chronic, or long term, illnesses or infections. Cancer and inflammatory disorders, in which abnormal activation of the immune system occurs, can also cause AI/ACD.
A. Estimated-time-of-arrival B. Estimated-time-enroute C. Latitude D. Longitude Estimated-time-of-arrival (ETA) is the time of day of an expected arrival at a certain destination and is typically used for navigation applications.
For time: 'at' with a specific point in time = I will arrive at 4:30. 'in' with a period of time = I will arrive in 30mins. Confusingly it's 'on' with a day = I will arrive on tuesday. For places: 'in' with general areas, countries, cities etc.