Barack Obama was the 44th president. His vice president was Joe R Biden. which is the president now.
Answer:
D, If you buy two new games, your opportunity cost is the time you could spend talking on the phone.
Explanation Opportunity cost is the value of the next best thing you give up whenever you make a decision. In this case the opportunity cost of buying the two games is the time you could be using the phone.
Answer: (1) Muslim traders were responsible for most of the trades between 7th to 14the century
Explanation:
They had war because of there believes
