week 5

5. a system of winds rotating inwards to an area of low barometric pressure
7. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
10. conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness.
11. a tropical storm in the region of the Indian or western Pacific oceans.
15. a fitting in a street or other public place with a nozzle by which a hose may be attached to a water main.
18. dynamic economy"
20. a person or device that makes something sharp.

1. (of a process or system) characterized by constant change, activity, or progress.
2. move or cause to move rapidly in a circle or spiral.
3. a large heavy-bodied non-venomous snake occurring throughout the Old World tropics, killing prey by constriction and asphyxiation
4. a colourless, odourless, highly flammable gas, the chemical element of atomic number 1.
5. a series of events that are regularly repeated in the same order.
6. a stringed instrument like a small U-shaped harp
8. denoting or relating to a liquid moving in a confined space under press
9. the sign -, used to join words to indicate that they have a combined meaning
12. a line of hereditary rulers of a country.
13. cruel and oppressive government or rule.
14. a regulation made by a local authority or corporation.
16. a cruel and oppressive ruler.
17. a person who is skilled in typing, especially one who is employed for this purpose.
19. the curved path of a celestial object or spacecraft round a star, planet, or moon, especially a periodic elliptical revolution.