Dinosaur-killing asteroid strike gave rise to Amazon rainforest – Yahoo News Australia

The asteroid impact 66 million years ago led not just to the extinction of dinosaurs, but other forms of life
The asteroid impact that killed off the dinosaurs gave birth to our planet’s tropical rainforests, a study suggests.
Researchers used fossil pollen and leaves from Colombia to investigate how the impact changed South American tropical forests.
After the 12km-wide space rock struck Earth 66 million years ago, the type of vegetation that made up these forests changed drastically.
The team…

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