the long-term trends in weather elements and atmospheric conditions.

determining the potential costs and benefits of an action and then balancing the costs against the benefits.

the study of Earth's surface and climate, and of human activity, and of the interactions between them.

an employer or employee who helps produce goods and services

to make more difficult

people, societies, or other groups who rely on each other for survival or success.

a naturally-made item, such as a tree, mineral, or freshwater, that people can use to help meet a need or want.

a natural landform or body of water on Earth

a resource used to produce a good or service.

to advance, encourage, or support.

how close something is.

focusing on efficiently producing a limited number of goods and services.

the ability to change