MCQOPTIONS
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| 1. |
According to most conservation biologists, the single greatest threat to global biodiversity is. |
| A. | global climate change resulting from a variety of human activities. |
| B. | stratospheric ozone depletion. |
| C. | chemical pollution of water and air. |
| D. | alteration or destruction of the physical habitat. |
| Answer» E. | |