What change should be made in sentence 9? F. Change seeing to see G. Change north to North H. Change Springs to springs J. Change Elementary to elementary

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.

This is a set of words that begins with a preposition.

What steps best a reader determine the central idea of a text? select three options.