Exodus 8:5

Jehovah also said to Moses: Say to Aaron, 'Stretch out your hand with your staff over the rivers, over the streams and over the pools. Make frogs come up on the land of Egypt.'

Exodus 7:19

Jehovah then spoke to Moses: Tell Aaron, Take your staff and stretch out your hand over the waters of Egypt; its rivers, canals, ponds, and all its reservoirs. They will turn into blood. There will be blood everywhere in Egypt, even in the buckets of wood and stone pitchers.

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