The ozone layer sits near the top of earth's atmosphere and protects us from the sun's harmful ultraviolet rays. but ozone is dangerous when it's closer to ground level. which of the following describes ozone?
a fibrous mineral used to insulate and fireproof buildings and home appliances that can cause lung cancer when inhaled
a radioactive gas that can enter a house through its foundation and produce indoor pollution that can cause lung cancer
a product of a reaction between nitrogen oxides and volatile organic compounds present in various emissions that can irritate respiratory organs

Match the vocabulary terms to the correct definition. 1. branch of u.s. department of human services that works to improve the emotional and mental lives of families and communities; may include social workers, community managers and planners, therapists and corrective treatment specialists, and educators and child care workers quality-of-life indicators 2. infrastructure used to reduce health-care related expenses and increase the affordability of health care and insurance; increases the need for coordination among health care providers managed health-care system 3. federal healthcare insurance that provides medical, psychological, therapy, or social work services to the disadvantaged (medicaid) or the elderly (medicare) medicaid or medicare 4. measurements of the well-being of an individual, community, or larger population; includes physical, mental, emotional, and social health as well as other factors such as safety and opportunity for intellectual growth and challenges family and community services