Dinosaurs killed by asteroid and volcano

Volcanoes may have helped life bounce back after dinosaur-killing asteroid strike. At the end of the Cretaceous period 66 million years ago, a giant asteroid impact at Chicxulub off the coast of Mexico led to darkened skies and global cooling, killing off all the dinosaurs save birds

hey,

i hope you are having a wonderful day

the correct answer is :

{b.}   ( american workers lose job opportunities )

hope this : )

    -sprinkles

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )