I think it's so your lungs can expand to help you breathe properly ? You may have to wait for some more answers to come through
Answer:
Selective breeding.
Explanation:
Sorry thats the only one i can think of. BTW have u watched lucky star.
I love anime.
Answer:
i wish there was an answer here i needed it
<span>rocks undergo this when stress builds up past a certain point, called the ... is any fracture or system of fracture or system of fractures along which earth ... the fracture is caused by horizontal shear and movement is mainly horizontal </span><span>many kind of rocks that make up Earth's crust fail when stress is applied too quickly ... The resulting fracture or system of fractures along which movement occurs.</span>
