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.
&#149 If you can hear thunder, you are within 10 miles (16 kilometers) of a stormand can be struck by lightning. Seek shelter and avoid situations in which you may be vulnerable. &#149 Use the 30-30 rule, when visibility is good and there is nothing obstructing your view of the thunderstorm.