Across
- 1. Liquids created when water mixes with wastes and removes soluble constituents from them by percolation
- 4. The changes that occur normally in plants and animals as they grow older
- 6. The study of aging from the broadest perspective
- 8. Planned short-term care, usually for the purpose of relieving a full-time informal caregiver
- 12. One who provides unpaid assistance to one who has some physical, mental, emotional, or financial need limiting his or her independence
- 17. One who helps identify the health care needs of an individual but does not actually provide the health care services
- 19. Education programs specifically for elders, held on college campuses
Down
- 2. The natural, aerobic biodegradation of organic plant and animal matter to compost
- 3. Prejudice and discrimination against the aged
- 5. A person unable to leave home for normal activities
- 7. All the external conditions, circumstances, and influences surrounding and affecting the growth and development of an organism or community of organisms
- 9. Contamination of the air that interferes with the comfort, safety, and health of living organisms
- 10. The process by which cities develop and grow as people from the countryside migrate to cities in search of better jobs and living conditions
- 11. A solid waste or combination of solid wastes that is dangerous to human health or the environment
- 13. One who helps identify the health care needs of an individual and also personally performs the caregiving service
- 14. the gradual increase in the earth's surface temperature
- 15. The study of a population and those variables bringing about change in that population
- 16. The promotion of hygiene and prevention of disease and maintenance of clean conditions through hygienic disposal or recycling of waste material such as human fecal waste
- 18. Both wet and dry acidic deposits, which occur both within and downwind of areas that produce emissions containing sulfur dioxide and oxides of nitrogen
- 20. The collecting, sorting, and processing of materials that would otherwise be considered waste into raw materials for manufacturing new products, and the subsequent use of those new products