По горизонтали
5. Power that comes from sources which are not going to run out, do not pollute as much as fossil fuels
9. The main symbol of the world wildlife fund (WWF)
13. An active fighter for the protection of nature
15. To change waste materials such as newspapers and bottles so that they can be used again.
16. Species that no longer exist
18. What shields the Earth from harmful UV raise of the sun?
По вертикали
1. The hunting of whales for their usable products such as meat and blubber
2. Garbage, trash, litter
3. A process that removes the upper layer of soil, from which plants get most of their nutrients and water
4. A section ofcertain type of environment wheregiven organism lives
6. Earthquakes, floods, tsunamis, storms, hurricanesin common
7. The eco system that surrounds us
8. A process that occurs when gases in Earth's atmosphere trap the Sun's heat
10. The unusually rapid increase in Earth's average surface temperature over the past century due to the greenhouse effect
11. Clear (an area) of forests or trees
12. The degree of variation of animal and plants species on Earth.
14. Negative impact on the environment
17. International non-governmental environmental organization
19. The air round the Earth or round another planet.
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