Solutions - Pre-Intermediate - Unit 4 - 4H

used to introduce an opposing statement

to cause something to change

to make someone do something or to make something happen, usually something bad

a fight between different military forces during a war

to go in front of or beside someone or something in order to show them the way or to make them go in a particular direction

to make a waste product usable again

to make something smaller in amount, degree, price, etc.

a permanent change in global or regional climate patterns, including temperature, wind, and rainfall

a light substance produced in a chemical process that can be formed into different shapes when heated

the thin sheets on which one can write, draw, or print things, also used as wrapping material

a container that is used for drinks and is made of glass

a nonmetal element that can be found in all organic compounds and living things

the act of producing or releasing something, especially gas or radiation, into the atmosphere or environment

the increase in the average temperature of the Earth as a result of the greenhouse effect

the way that someone acts, particularly in the presence of others

(of a substance or product) causing no harm to the environment

a type of life that a person or group is living

to entirely consume a resource, leaving none remaining

raw materials found in nature that are used by human beings

to have faith in someone or something

a fuel that is found in nature and obtained from the remains of plants and animals that died millions of years ago, such as coal and gas

to release gases or odors into the air

a type of gas with no color and smell that is produced by burning carbon or during exhalation

to prevent someone or something from being damaged or harmed

a type of animal or plant that is at risk of becoming extinct

to make something smaller in amount, degree, price, etc.

the amount of carbon dioxide that an organization or person releases into the atmosphere

to devote a lot of effort, time, money, etc. to something from which one expects to achieve a good result

describing a contract, agreement, etc. that can be continued for a further period of time

the physical and mental strength required for activity, work, etc.

to keep someone or something safe and away from harm, death, etc.