Find the word which has different sound in the part underlined

Find the word which has different sound in the part underlined.   
1. A. disease​​​    B. dead​​​   C. treatment​​​   D. sneeze
2. A. environment​​    B. billboard​​​   C. víual   ​​​D. litter
3. A. birth​​​   B. thermal​​​   C. earth​​​     D. further
4. A. poisoned​     ​B. died​​    ​C. dumped​​    ​D. caused
5. A. contaminant​​    B. waste​​​   C. illustrate ​​​ D. radiation
6. A. camp​​​   B. language​​​   C. native​​​   D. accent
7. A. capital​​​   B. scenic​​​   C. Scotland​​​   D. iconic
8. A. increased​​    B. provided​​​   C. haunted​​​    D. founded
9. A. loch​​   ​B. schedule​​   ​C. French​​​  D. chaos
10. A. brigade​  ​B. kilt​​  ​​C. liberty​​   ​D. icon