Ready for C1 Unit 1

the process of making something dirty or poisonous, or the state of containing unwanted or dangerous substances

the characteristic of often changing and being different

the fact that something or someone is liked, enjoyed, or supported by many people

the quality of being special and interesting and not the same as anything or anyone else

an occasion when an army or country uses force to enter and take control of another country

the act of arranging or agreeing something formally

an uncomfortable feeling of nervousness or worry about something that is happening or might happen in the future

an eager wish to know or learn about something

the quality of being able to be trusted or believed because of working or behaving well

the physical or mental power or skill needed to do something

an ability to understand what other people need, and be helpful and kind to them

a pleasant feeling that you get when you receive something you wanted, or when you have done something you wanted to do

a good knowledge of something, or the fact that you know it so well

an official decision that is made after a group or organization has voted

the act of watching a person or activity and making certain that everything is done correctly, safely, etc

agreement that something is true or legal

the fact of soil, stone, etc. being gradually damaged and removed by the waves, rain, or wind