Answer: 1) During the middle of 18th century Italy was divided into seven states if which Sardinia and Piedmont were under princely states . 2) north under Austria , centre ruled by Pope and south ruled by Spain. 3) the main leaders were Victor Emmanuel ll of Sardinia , chief minister count Cavour Mazzini and Garibaldi .
<span>b. They release oxygen that organisms use to breathe.</span>
If you touch it and it hurts that usually a sign you should not mess with it.
