What kind of sediment forms from minerals that crystallize from sea water?

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic

Afootpath is to be constructed in a park in the shape of a parallelogram. when a coordinate plane is laid over a map of the park, the vertices of the footpath are (-4,2) (8,2) (11,7) and (-1,7). what is the perimeter of this path

Indicates how many people live in an area