The timeline shows us that ancient times lasted for a much longer period than medieval and modern times. Why do you think we know so much more about medieval and modern times?

i'm not sure i understand what you are trying to ask, if you give more information, that would be most .

cur

explanation:

cancer

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b