6. Read the article again. Match the words in bold in the article with the definitions. Write the words.
1. the rise in temperature of the Earth's climate________
2. a living thing________
3. are afraid__________
4. weak / easy to damage________
5. large masses of ice that move slowly_________
6. the tops of mountains___________
7. very small________
8. something that will probably harm or destroy something else_________​