Answer:
Step-by-step explanation:
When alot of people want to buy the Euro in a foreign exchange market then a demand has been created while if Euro's get added to the market then the supply is being created. Based on this as well as the answers provided within the question it can be said that the the following represent either a supply or demand.
a, c, e, and f all create a demand for euros
b, d, and g all create a supply for the euro.