20. Infrastructure-the basic physical and organizational structures and facilities (e.g. buildings, roads, power supplies) needed for the operation of a society or interprise
Environment 1.the length of time for which a person or animal lives or a thing functions
2. to give something especially money, in order to provide or achieve something together with other people
3. knowledge or perception of a situation or fact ..
4. remove dirt, chemicals or anything else that its contaminated with ..
5. gas, coal, and oil that were formed underground from plant and animal remains millions of years ago
6. not anticipated or predicted .
7.to cause something to start: ..
8. restore (a stock or supply) to a former level or condition .
9. the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization or community
10.the variety of plant and animal life in the world or in a particular habitat, a high level of which is usually considered to be important and desirable
11.do things in way that protects environment .
12. causing harm or damage (adj)
13. a poisonous agent or chemical that poses detrimental health effects to the body .
14.the supply of water to land or crops to help growth, typically by means of channels
15. open to view and not shielded or protected ..
16. causing very great pain, difficult, worry, damage, etc; very serious; ..
17. to decay or to cause something to decay:
18. the general impression of a product held by real or potential consumers ..
19.harmful or annoying levels of noise (type of a pollution) ..
20. a gas that causes the greenhouse effect, especially carbon dioxide .