Across
- 2. using less of a resource
- 5. 1.8 billion people could suffer from this in 2025
- 6. when birth rate and migration are greater than death rate and emigration, population size ______.
- 7. availability of fresh drinking water is not readily available to everyone is an example of a _____.
- 8. a nonrenewable resource
- 9. number of deaths in a certain time period
- 10. contamination of earth
Down
- 1. type of science used to address human impacts on environment
- 3. term for too many humans in a population
- 4. what's left behind after using any type of resource