What % of each hemisphere is water? Northern Southern

Fertility and mortality rates are higher in more developed nations.

Quiero una redaccion de yo soy medico y que tenga 10 lineas

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