¿Por qué se incrementa la dependencia de los agricultores respecto de las empresas proveedoras de insumos?

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

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

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?