The puppies heads are often to big to fit through their mothers birth canal. They may get birth defects like flat chests, if their face are wrinkly they get acne and eye problems, and they are prone to skeletal disorders like hip dysplasia.
1.Net Energy Gain is a concept used in energy economics that refers to the difference between the energy expended to harvest an energy source and the amount of energy gained from that harvest.
<span>D. grass they eat and water they drink</span>
Breathing in air pollutants can irritate your airways. It may cause shortness of breath, coughing, wheezing, asthma episodes and chest pain. Overtime, exposure to air pollution puts you at risk for lung cancer, heart attack/strokes, etc. Some people are more at risks from others though
