Across
- 5. a strong heated container used for chemical reactions and other processes using high pressures and temperatures
- 7. a substance used for destroying insects or other organisms harmful to cultivated plants or to animals
- 8. rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes
- 9. CPR without mouth-to-mouth breaths
- 10. a medical procedure involving repeated compression of a patient's chest, performed in an attempt to restore the blood circulation and breathing of a person who has suffered cardiac arrest
- 12. a disease in which the body’s ability to produce or respond to the hormone insulin is impaired, resulting in abnormal metabolism of carbohydrates and elevated levels of glucose in the blood and urine
- 13. a place to dispose of refuse and other waste material by burying it and covering it over with soil, especially as a method of filling in or extending usable land
Down
- 1. a neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain
- 2. a first aid procedure used to treat upper airway obstructions (or choking) by foreign objects
- 3. a layer in the earth's stratosphere at an altitude of about 6.2 miles containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun
- 4. the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface
- 6. a medical practitioner qualified to diagnose and treat skin disorders
- 11. a person who concentrates primarily on a particular subject or activity; a person highly skilled in a specific and restricted field