Question

ancient egypt and ancient sumer were similar because they both...
mesopotamia (sumer)

• tigris and euphrates flooding unpredictable
• rich soil
• no natural barriers
• limited natural resources

egypt

• nile flooding predictable
• rich soil
• natural barriers: deserts
• nile an easy transportation link
• irrigation used to help water fields of crops

developed trade that went into northern and southern europe
relied on the flooding of major rivers & and worshipped many deities.

Explanation:

Both Ancient Egypt and Ancient Sumer relied on major - river flooding for agriculture. The Tigris - Euphrates in Sumer and the Nile in Egypt provided rich soil for crops. Also, both had polytheistic religious beliefs.

Answer:

Relied on the flooding of major rivers & worshipped many deities.