This is a type of sedimentary rock that is formed from from the precipitation of minerals from ocean water or from the breakdown of the shells and bones of sea creatures.

Which numberline shows the solution to n -3

As water is cooled from 4 c to 0 c its density

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