you have been away attending college for three months. when you return home for the winter break, your family dog recognized you immediately. your dog responded this way because his brain

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.

answer; the code in musculoskeletal system subsection is associated with deep tissue possibly to the bone;

the planets have a circular orbit around the sun.