Please help Which organ is not connected to its system?

a) Spinal cord – Nervous system

b) Large intestine – Digestive System

c) Testes – Reproductive system

d) Kidney – Circulatory system

the answer is d. exposing corruption in the church

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