If overhead clouds gradually change from cirrus, to altostratus, to nimbostratus, what type of front is approaching?

Why don't all places on earth receive the same amount of direct sunlight at the same place?

An earthquake’s epicenter can be determined from arrival time data recorded on a(

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