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

Where can you find prokaryotic and eukaryotic cells?

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

Acodon consists of bases and specifies which will be inserted into the polypeptide chain.