Tick all statements which are true regarding diarrheal disease. Worldwide, at least 1.8 billion people rely on a drinking water source tainted with fecal contamination. It can be prevented by providing adequate sanitation It is the leading cause

The following statements regarding diarrheal disease are true: 1. Worldwide, at least 1.8 billion people rely on a drinking water source tainted with fecal contamination. (True) 2. It can be prevented by providing adequate sanitation. (True) 3. It is the leading cause of malnutrition in children under five years old. (True) 4. It is the main cause of death in children. (False; while diarrheal diseases are a significant cause of death in children, they are not the leading cause of death overall; respiratory infections and other factors also contribute significantly.) Therefore, the true statements are the first three options.