Which process can cause chemical weathering?

The country in the world with the largest population is_?

Where is the vascular system located

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