16. Put the necessary words:Put the necessary words: 1. The protection of nature has become of international …. 1. The protection of nature has become of international …. 2. The United Nations should be given the responsibility for the quality of the Earth’s …. 2. The United Nations should be given the responsibility for the quality of the Earth’s …. 3. The rights of man should include the right to have clean …. 3. The rights of man should include the right to have clean …. 4. The protection of nature has become one of the most actual … of the 21th century. 4. The protection of nature has become one of the most actual … of the 21th century. 5. The Earth provides people with mineral resources, rivers, forests, fields – everything that makes the foundation of industrial and agricultural …. 5. The Earth provides people with mineral resources, rivers, forests, fields – everything that makes the foundation of industrial and agricultural …. Keys: importance, atmosphere, air, problems, production.