Ever since life has existed on Earth, there have been waves of species extinctions owing to climate changes, atmospheric changes, cosmic changes and so on. The dinosaurs went extinct during one such mass extinction phase.
There have been five mass extinctions in the history of our planet. But are we currently living through a sixth mass extinction? Are species of animals being wiped out right before our eyes? Watch the video to find out.
Video courtesy: AsapSCIENCE
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