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Across 2. the warm phase of air currents that develop off the Pacific coast of South America 5. the process of replanting an area with trees 6. to make worse 7. a person who has been forced to leave their country in order to escape war, persecution, or natural disaster. 9. a major ecosystem defined by distinctive geography and receiving the same amount of sun and rain 10. he process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. 11. relating to an animal's ability to return to a place or territory after traveling a distance away from it. 13. a community, place, or situation regarded as encapsulating in miniature the characteristic qualities or features of something much larger 14. dug up from the ground

Down 1. our current time period or epoch in geological history 3. a person who advocates or acts for the protection and preservation of the environment and wildlife 4. native or restricted to a certain country or area 8. struggling, having hard times 12. relating to an animal's ability to return to a place or territory after traveling a distance away from it.