MCQOPTIONS
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| 1. |
The widespread use of insecticides has |
| A. | The widespread use of insecticides has |
| B. | reduced the number of wild animals |
| C. | caused imbalance in the relationship between living beings and their environment |
| D. | eliminated diseases by killing mosquitoes and flies |
| Answer» C. caused imbalance in the relationship between living beings and their environment | |