Answer:In economics, Aggregate behavior refers to economy-wide sums of individual behavior. It involves relationships between economic aggregates such as national income, government expenditure and aggregate demand. Theories of aggregate behavior are central to macroeconomics. Click to see full answer
Explanation:
The birth of gunpowder was quite accidental. It was first invented inadvertently by alchemists while attempting to make an life-extending ELIXIR. It was a mixture of sulphur, saltpeter, and charcoal. At the end of the Tang Dynasty, gunpowder was being used in military affairs.
Answer:
d. the collision of plate tectonics
Explanation:
Im not very sure but I think its lipid