1. improving sanitation facilities and promoting ______ in schools benefits both learning and the health A. Hygiene B. Health C. Sanitation D. Faecal-oral route 2. many human infections are spread through contact with A. Hygiene kits B. Ina dequate C. Faecal-oral route D. Human excreta 3. Most infections occur through the _____ where pathogens enter a person' mouth through ingesting (eating or drinking) contaminated food or water, or when contaimaned fingers are placed in the mouth . A. Hygiene kits B. Inadequate C. Faecal-oral route D. Human excreta 4. All of these causes many diseases that are spread by direct contact with faeces or indirectly via contaminsted food and soil except_______. A. Bacteria B. Viruses C. Protozoa D. Earthworms