The cretaceous-tertiary extinction, the most famous of the big five, has been attributed to what major event(s) that triggered the extinction of the dinosaurs?

In your passage, you should be able to find this text:

"A summary of possible causes for the Cretaceous-Tertiary extinction is:

- an asteroid hitting the earth

- volcanism"

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!

i already answered it by 34/s