In low-income areas of the world infectious causes of death more commonly include diphtheria, tetanus, and pertussis. These diseases are much less common in high-income areas. Why are such infectious diseases more common in low-income countries than in the high-income countries of the world? Choose 1 answer: Choose 1 answer: (Choice A) Low-income countries have dispersed hospital systems and inadequate distribution of medicines. A Low-income countries have dispersed hospital systems and inadequate distribution of medicines. (Choice B) In low-income countries, people have less access to immunizations. B In low-income countries, people have less access to immunizations. (Choice C) In low-income countries, people have higher exposure to toxic chemicals in air and water. C In low-income countries, people have higher exposure to toxic chemicals in air and water. (Choice D) Low-income countries lack education about sexually transmitted diseases. D Low-income countries lack education about sexually transmitted diseases