B2

6. — A person who seeks to promote the welfare of others, especially by donating money to good causes.
10. — The belief in or practice of disinterested and selfless concern for the well-being of others.
11. — The study of people's efficiency in their working environment.
12. — An inactive person who spends a lot of time sitting and watching television.
13. — Wastewater from baths, sinks, and washing machines that can be recycled.
15. — The practice of regularly staying away from work or school without good reason.
16. — A type of heavy petroleum fuel used in certain engines.
17. — A chemical or natural substance added to soil to increase its fertility.
18. — A medical treatment originating in China that involves inserting thin needles into the body.
19. — To supervise or manage a person, project, or work process.

1. — The production and discharge of gas or radiation into the atmosphere.
2. — A device or piece of equipment designed to perform a specific task in the home, such as a fridge.
3. — A formal term for a toilet or room containing a toilet.
4. — The action involving deliberate destruction of or damage to public or private property.
5. — A person who is continuously and unnecessarily worried about their health.
7. — The ability of an organism to resist a particular infection or toxin.
8. — To organize different elements of a complex body or activity so that they work together effectively.
9. — The crime of unlawfully seizing an aircraft, vehicle, or ship in transit.
14. — Material used to prevent the loss of heat or energy from a building.
17. — A light and gentle wind.