What limits do skeletons on American pre-1500 have as historical sources

Determine which of the two measurements in each set is lesser.10°f or 20°ca. 10-fb. 20°c

The process by which liquid water changes into water vapour is called what ?

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