Who wrote a medical encyclopedia that was translated into latin and widely used throughout europe?
a. ibn battutah
c. omar khayyám
b. mehmed ii
d. avicenna

True or false signed exact english is a system of manual communication that follows english syntax.

Settlements where house are constructed in the along a road or drive and called villages

)claim: kids benefit from their time plugged into devices like tvs, tablets, and smartphones. which presents an alternative, or different, view on this topic? a) preschoolers often get learning the alphabet on public television shows. b) teens can conduct research on any subject using credible sources on the internet. c) elementary school children can play educational apps and games on tvs, tablets, and smartphones. d) middle school children sometimes copy negative behaviors of characters on tv and in video games, such as smoking and drinking.