ben was studying the irish potato famine and wanted to identify a critical factor for it. which factor can ben consider as critical for

im back lol i heard you where asking for me

i don’t no. suiopgohjk

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