to give something, especially money, in order to provide or achieve something together with other people…………………………………..…………………………………..…………………………………..

(a)  

knowledge or perception of a situation or fact. …………………………………..…………………………………..…

(a)  

remove dirt, chemicals, or anything else that it's contaminated with…………………………………..…………………………………………………………………..…………………………………..………

(a)  

gas, coal, and oil, that were formed underground from plant and animal remains millions of years ago…………………………………..…………………………………..…………………………………..………………………………………

(a)  

not anticipated or predicted. …………………………………..…………………………………..…………………………………..…………

(a)  

to cause something to start:………………………………………………..………………………………………………………

(a)  

restore (a stock or supply) to a former level or condition. ………………………………………….………………..

(a)  

the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community.…………………………………..………………………………….

(a)  

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…………………………………………………………………………..

(a)  

do things in way that protects environment.…………………………………………………………………………………….

(a)  

causing harm or damage(adj)……………………..………………………………………………………………..………………..

(a)  

a poisonous agent or chemical that poses detrimental health effects to the body. …………………..………………..

(a)  

the supply of water to land or crops to help growth, typically by means of channels..…………………………………..…………………………………..………………………………………………………………

(a)  

open to view and not shielded or protected…………………………………..……………………………………………..

(a)  

causing very great pain, difficulty, worry, damage, etc.; very serious:……………………………………………..

(a)  

to decay, or to cause something to decay:…………………………………..…………………………………………………..

(a)  

the general impression of a product held by real or potential consumers. ……………………………………….…..…………………………………..…………………………………..…………………………………..

(a)  

harmful or annoying levels of noise(type of a pollution).………………………………………..………………………

(a)  

a gas that causes the greenhouse effect, especially carbon dioxide…………………………….………………….

(a)  

things, activities, and principles that are very important or necessary, and on which others depend…………………………….………………….…………………………….………………….…………………………….……………

(a)  

the series of changes and developments that it passes through from the beginning of its life until its death. ………….………………….…………………………….………………….…………………………….………………….…………

(a)  

Synonym of use: ………….………………….…………………………….………………….…………………………….……………..

(a)  

seeming difficult to deal with in prospect………………………….………………….……………………………………….…

(a)  

provide with the food or other substances necessary for growth, health, and good condition.….……………………………………….……………………….……………………………………….….………………….……

(a)  

the maintaining of someone or something in life or existence. ……………………………………….….……………

(a)  

the process of making something grow, develop, or become successful again:……………………………………….….………………………………………….….………………………………………….….……..

(a)  

a successful way of curing an illness or dealing with a problem or difficulty: ………………………….….……..

(a)  

to make or do something again in exactly the same way: ………………………………………………………………….

(a)  

something which is produced during the manufacture or processing of another product…………………………………………………………………………………………………………………………………………….

(a)