65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids. What most likely killed off the dinosaurs?
An asteroid impact caused the Sun to be blocked.
They were crushed by an asteroid.
The water supplies were polluted.
Mammals evolved to be better competitors. 25 POINTS
Answers: 1
Other questions on the subject: Biology
Biology, 22.06.2019 07:00, claudiagallegos26
When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur
Answers: 1
Biology, 22.06.2019 11:30, luludawn2455
Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different
Answers: 2
Biology, 22.06.2019 18:00, capo9972
Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?
Answers: 3
You know the right answer?
65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There...
Questions in other subjects:
Physics, 01.07.2019 05:20
English, 01.07.2019 05:20
History, 01.07.2019 05:20
History, 01.07.2019 05:20
Mathematics, 01.07.2019 05:20
Geography, 01.07.2019 05:20
