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| 1. |
Choose the best answer: Scientists have linked the mass extinction at the end of the Cretaceous period with a meteorite impact on Earth because |
| A. | It is believed that meteorite activity influences the evolution on Earth |
| B. | The site of a large meteorite impact at the end of the Cretaceous period was identified in 1990 |
| C. | There have also been large meteorite impacts on the surface of the Moon, leaving craters |
| D. | Large meteorite impacts, such as one at the end of the Cretaceous period, can seriously affect climate, ecological niches, plants and animals |
| Answer» E. | |