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Cybermusings
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Birds' feathers appear to have evolved from dinosaur scales well over 100 million years ago, Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.
A) Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.
B) Chinese scientists have shown a fossil bird found in the Yixian mountains of northern China.
C) Chinese scientists showed, based on a fossil bird found in the Yixian mountains of northern China.
D) when the Chinese scientists found a fossil bird in the Yixian mountains of northern China.
E) which the Chinese scientists say can be proven from a fossil bird which they found in the Yixian mountains of northern China.
A) Chinese scientists have shown, based on a fossil bird found in the Yixian mountains of northern China.
B) Chinese scientists have shown a fossil bird found in the Yixian mountains of northern China.
C) Chinese scientists showed, based on a fossil bird found in the Yixian mountains of northern China.
D) when the Chinese scientists found a fossil bird in the Yixian mountains of northern China.
E) which the Chinese scientists say can be proven from a fossil bird which they found in the Yixian mountains of northern China.












