Question

The Nile River floods twice a year. To keep track every year, Egyptians invented

Answer 1

May and august Ethiopian Highlands whose summits reach heights of up to 4550 m (14,928 ft).

Answer 2

Answer: Prime Time

In order to know when to plant, the Egyptians needed to track days. They developed a calendar based on the flooding of the Nile that proved remarkably accurate. It contained a year of 365 days divided into 12 months of 30 days each.