Characteristics of the great depression

What does the word submerged mean in the following sentence? after it rained for three days in a row, the streets were completely submerged.

Slam, judaism, and christianity have shared historical origins. select the best answer from the choices provided. t f

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle