The antibodies are very unspecific
<span>The correct statement is letter C. All arteries except the pulmonary artery carry oxygen-rich blood. Most arteries are responsible for the delivery of oxygen and nutrients to all cells and the pulmonary veins are the one who transfer oxygenated blood from the lungs to the heart.</span>
I believe the answer is A. decomposition ans parasitism
Possibility of acid rain will increase
