adapt

To change so it is easier to live in a different place.




arctic

The area around the North Pole.




assist

To help.




carbon dioxide

A gas that is made when people and animals breathe out. 




desert

An area of dry land that is very hot and surrounded by sand.




humid

Having a lot of moisture in the air.




ingredients

Something used to make food or other products.




medications

Something used to help a sick or hurt person feel better.




nutrients

Something plants, animals, and people need to live and grow.




pollutants

Something that makes land, water, and air dirty and not safe. 




rain forest

A tropical forest that gets a lot of rain and has tall trees.