A. their cells do not resemble the cells of the parent tissue.
b. their cells are often irregular, with nuclei of various sizes and shapes.
c. their cells grow more rapidly than the surrounding cells.
d. they often metastasize.
e. they are not cancerous.

the answer is their cells grow more rapidly than the surroundings cells

the correct option is option d

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