About half the world's population speaks a language that belongs what language family? balto-slavic indo-european hellenic celtic

The development of new inventions in the field of space travel seemed rapid. how does the word rapid function in a sentence?

Which choice is a major detail from paragraph two? a) the great wall is a large network of several walls and towers. b) the great wall looks like a long wall snaking its way across china. c) the great wall was constructed over hundreds of years beginning in 221 b. c. d) the great wall construction encouraged several independent kingdoms to unite.

Choose the types of characters an author may choose to create