For roughly 6 months long each year, the Nile River floods. Option B.
This is further explained below.
Generally, The annual monsoon, which occurs between May and August and causes significant precipitation in the Ethiopian Highlands (which have peaks that may reach heights of up to 4,550 meters), is responsible for the flooding of the Nile (14,928 ft).
Every facet of Egyptian life was dependent on the river: the Nile supplied Egypt with food and resources, space for agriculture, and a means of transportation, and was essential in the delivery of materials for large-scale construction projects and other types of undertakings. It was an essential lifeline that very literally breathed new life into the wasteland.
In conclusion, The annual flooding of the Nile River typically lasts for around half of the year.
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