not existing or not real or present.

causing great enthusiasm and eagerness. To make someone feel happy, interested or eager.

To join or attach things together.

agricultural products. To control the making a movie or television show.

advantage or profit gained. Good results or effects, something advantageous. profit.

Not made by humans; without human intervention. naturally. person having innate talent.

production and discharge of something. A substance (e.g. gas) released into the air.

Greenhouse gas that makes the Earth get warmer. Glass building used for growing plants.

To boil a liquid until it has decreased in amount.

Being able to be replaced naturally. source of energy that is not depleted by use, such as water.

completely certain about something. To persuade someone, or make them feel sure.

Typical weather conditions in a particular place.

To exchange or replace something for another thing.

With restrictions; not broad in scope. To stop or prevent an increase past a point.

person who campaigns to bring about political or social change. People who try to change a government, society.