DEFINITION of 'Aggregate Demand'. The total amount of goods and services demanded in the economy at a given overall price level and in a given time period. It is represented by the aggregate-demand curve, which describes the relationship between price levels and the quantity of output that firms are willing to provide. Normally there is a negative relationship between aggregate demand and the price level. Also known as total spending.
Answers. Best Answer: Up to about 120 decibels, which is about as loud as a gunshot. Some of the factors that affect the loudness are energy released, the environment, and of course the distance you are from the lightning.
Thunder Fun Facts: 1  To judge how close lightning is, count the seconds between the flash and the thunderclap. Each second represents about 300m (984.25ft). 2  Thunder is not only heard during thunderstorms. It is uncommon, but not rare, to hear thunder when it is snowing. 3  Lightning does not always create thunder.