Some scientists think that a meteor impact, which occurred around 65 million years ago, may have caused the extinction of the dinasaurs. A. Some scientists reckon that the impact of a meteor
Some scientists think that a meteor impact, which occurred around 65 million years ago, may have caused the extinction of the dinasaurs.
A. Some scientists reckon that the impact of a meteor that struck Earth some 65 million years ago need not have caused the extinction of the dinosaurs.
B. In the opinion of some scientists, the extinction of the dinosaurs could have been the result of the impact of a meteor which occurred roughly 65 million years ago.
C. According to some scientists, the extinction of the dinosaurs was caused by a meteor that struck Earth 65 million or so years ago.
D. The extinction of the dinosaurs could only have been caused by a meteor impact that occurred some 65 million years ago.