Is it true that muslim scientists had improved the astrolabe, or is it false? and i also need to know who had written a medical encyclopedia that was translated into latin and widely used throughout europe? was it ibn battutah, omar khayyám, mehmed ii, or avicenna?

Will give brainliest what changes took place in the soviet union and eastern europe after ww2

The development of humans was directly dependent ondevelopment of a language.development of communication between people.e development of tools.litdevelopment of the wheel.

Put the following events in the correct chronological order: i. new state constitutions are formed. ii. declaration of independence is signed. iii. second continental congress writes the articles of confederation. iv. special conventions are convened to produce fundamental laws for the states. a. ii, iii, iv, i b. ii, iv, i, iii c. ii, i, iv, iii d. ii, i, iii, iv