Answer:
a, supply and demand
Explanation:
supply and demand is important, the more popular an item is or if its an essintial, it will most likely be more exspensive
if an item is less poopular, it will probally be cheaper.
hope this helps! ❄︎
The Redwing is the national bird of South Sudan.
temperature and amount of rainfall
Wind which is caused by uneven heating.
