The chromosomes replicate and are seen as a pair of sister chromatids.

A. Anaphase

B. Telophase

C. Cytokinesis

D. Prophase

E. Metaphase

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

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.