Why are the earth and its' oceans not forzen solide at the poles and boiling at the equator?

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

How has the geography of india made it difficult for its people to expand before modern technology?

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