choose the odd one out.
| 1 | a. relationship | b. discuss | c. illustrate | d. heavily |
| 2 | a. discuss | b. reduce | c. dump | d. industrial |
| 3 |
a. permanent |
b. damage | c. constant | d. dramatic |
| 4 | a. isolation | b. residential | c. aquatic | d. pesticide |
| 5 | a. dead | b. overhead | c. breathing | d. heavily |
| 6 | a. global | b. motorcycle | c. oxygen | d. enviromentalist |
choose the odd one out.
| 1 | a. relationship | b. discuss | c. illustrate | d. heavily |
| 2 | a. discuss | b. reduce | c. dump | d. industrial |
| 3 |
a. permanent |
b. damage | c. constant | d. dramatic |
| 4 | a. isolation | b. residential | c. aquatic | d. pesticide |
| 5 | a. dead | b. overhead | c. breathing | d. heavily |
| 6 | a. global | b. motorcycle | c. oxygen | d. enviromentalist |
1d. heavily
2b. reduce
3b. damage
4c. aquatic
5c. breathing
6c. oxygen