If you wait around long enough, it is 100%. Although the earth has an estimated five billion years left before being literally burned to a cinder (or ash, depending on how events actually unfold), by the end of one billion years the earth will have become completely unable to support life of any kind. Even if some life survives beyond one billion years, nothing will survive after five billion, when the sun runs out of fuel. You'd better get those wedding plans rolling.
This would be called a mass extinction or mass die off.This would be called a mass extinction.
Eventually yes.
When the meteorite hit Earth and killed the dinosaurs.
Mesozoic
The effect of mass extinction is extinction, death of a mass
The beginning of Earth's current era is marked by a mass extinction.
The k-t extinction marks the transition from the cretaceous to the tertiary period in which it is hypothesized that a meteorite struck the Earth and caused a mass extinction.
Mass extinction
a comet impacting the earth
The Permian extinction is called the "Great Dying" because it was earth's largest mass extinction which wiped out as much as 95% of life.
asteroid
There were five major extinction events in the past. They are called the Cretaceous-Tertiary (or K-T) extinction event, the late Devonian mass extinction, the Permian mass extinction, the Ordovician-Silurian mass extinction and the Triassic-Jurassic mass extinction event.