Across
- 2. what makes water polluted
- 3. God the appearance of the natural environment is a creation
- 5. a close relationship between two spesies which usually benefits both
- 6. substance that cause pollution are called
- 7. what causes soil to be infertile
- 9. what is the name of the a group of individual of the same spesies
Down
- 1. the following are environment conservation effort
- 4. the impact of air pollution on human health can cause disease
- 7. an environment that exist by it self without being created by humans is called the environment
- 8. the science of the interactions of living organisme in the environment