Where can repetition be found in the bolded excerpt from walt whitman's poem?
a. the repetitive use of the word diagrams
b. the repetitive use of the word astronomer
c. the repetitive use of the word when

condensation. good luck!

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101