Which sense is the most common one for determining whether an object is soft or hard? touch smell sight taste

Which volcanic eruption caused the most deaths

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

When you start from a given set of rules and conditions and determine what must be true you are using blank reasoning