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Chronic obstructive pulmonary disease (COPD) refers to chronic obstructive bronchitis and emphysema. Its signs and symptoms include; An ongoing cough that often produces large amounts of mucus,Shortness of breath, especially during physical activity,Wheezing and Chest tightness.
Iowa
cellular respiration
cold front
Austria
cumulonimbus
Melanin
Austria
Fusion of hydrogen.
Nuclear power produces around 11% of the world's energy needs, and produces huge amounts of energy from small amounts of fuel, without the pollution that you'd get from burning fossil fuels.
True
False. It is a kidney infection where lesions form in the renal pelvis causing bleeding.