THE FIFTH MASSIVE EXTINCTION, DIFFERENT THEORIES
THEORY OF THE IMPACT
66 M.Y.A. an asteroid impacted in the Earth
Its impact lead to the extinction of the dinosaurs and more species of plants and animals
This theory was proposed in the decade of the 80's
The theory of the multiple impacts is a derivate of this theory
It states that the asteroid could have frafmentate and two or more pieces of the original one hitted the Earth
THEORY OF THE DECLAN TRAPS
66 M.Y.A. the Earth suffered a very active volcanic activity
It expelled to the atmosphere a great amount of gas and ashes
It crated an ash winter that stopped photosynthesis that destroyed the food chain