How can population pyramids asses the population growth and decline

Which feature of a map shows the relationship between a distance on a map and that distance on earth? key scale grid system compass rose

Which of the following statements about wearher along mountain ranges is correct

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