Explain how convection, sea-floor spreading, ridge push, and slab pull and work together to move tectonic plates (be sure to include factors of gravity and density). 2-3 paragraphs.

Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland