I agree Pyramid, they somehow sinned so they got hit with a meteor and were destroyed. We were plan B.
Genesis 8x:11 The Lord saw how great the dinasour's wickedness on the earth had become, and that every inclination of the thoughts of his heart was only evil all the time. The Lord was grieved that he had made dinasours on the earth, and his heart was filled with pain. So the Lord said, “I will wipe dinasourkind, whom I have created, from the face of the earth—for I am grieved that I have made them. ... But mammals found favor in the eyes of the Lord. I establish my covenant with you mammals: Never again will all life be cut off by a meteor; never again will there be a meteor to destroy the earth." ...
Genesis 9:11 The Lord saw how great man’s wickedness on the earth had become, and that every inclination of the thoughts of his heart was only evil all the time. 6 The Lord was grieved that he had made man on the earth, and his heart was filled with pain. 7 So the Lord said, “I will wipe mankind, whom I have created, from the face of the earth—men and animals, and creatures that move along the ground, and birds of the air—for I am grieved that I have made them.” 8 But Noah found favor in the eyes of the Lord. I establish my covenant with you: Never again will all life be cut off by the waters of a flood; never again will there be a flood to destroy the earth."
Genesis 10x:11 The Lord saw how great man’s wickedness on the earth had become yet again, and that every inclination of the thoughts of his heart was only evil all the time. 6 The Lord was grieved that he had made man on the earth, and his heart was filled with pain. 7 So the Lord said, “I will wipe mankind, not with a meteor, and not with flood, but with the iron scepter of my son, and the cleasing heat of fire ."