The digestive system is an organ system. The stomach and the intestines are parts of the digestive system. The digestive system is an organ system. The stomach and the intestines are parts of the digestive system. Was this answer useful?
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<span>Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.</span>
B. when the Southern hemisphere is pointed towards the sun. <span />
