REVIEW UNIT 6.2

made or grown without the use of chemicals

using natural resources that can be replaced or using methods that do not harm the environment

relating to the area where you live

including the whole world

able to live without needing things from other people

use something again

make something smaller or less in size or amount

valuable things that we can get from the Earth, such as wood and oil

the slow warming of the Earth’s temperature, caused by human activity

a picture used to represent something