the answer is B. retaking a class after not receiving a passing grade
took the test on edge and got it right
Answer:
The Answer is the following :
Explanation:
C) sound waves do not travel in a vacuum. It's also true
Answer: production possibilities curve
Explanation: A production possibilities curve, or PPC, shows the relative amounts of two things you can "produce" with the time you have. Time is a scarce
resource. A PPC shows the possibilities of how much you could accomplish of each task with your time
