mass extinction meaning in Hindi

Examples

1. Mass extinctions are relatively rare events; however, isolated extinctions are quite common.
2. A second, distinct mass extinction, the Hangenberg event, closed the Devonian period.
3. He is also interested in mass extinctions, especially the end Triassic event.
4. Two theories for past mass extinctions are meteor impacts and continent-size volcanoes.
5. But " the mass extinction is probably the responsibility of humans ."
6. Knoll has longstanding interests in biomineralization, paleobotany, plankton evolution, and mass extinction.
7. We are well into the sixth known mass extinction of life on Earth.
8. Some say this could cause a mass extinction worse than the K-T one.
9. Frogs have made it through drastic climate changes and mass extinction.
10. Scientists say the risk of mass extinctions has never been greater.