Estimate change in gdp between 1997 and 2007

Is it true the ancient egyptians created a calendar that had 10 days in a week

Which of the following was not a characteristic of phoenician cities? a. they were located on islands. b. they had harbors on each side. c. they were built on land jutting out to the sea. d. they were surrounded by high stone walls and towers.

Quantitive data can be measured quantitatively