Science What was the most significant event at the beginning of the Mesozoic?

mass extinction

creation of a supercontinent

“explosion” of many new life forms

break up of a super continent

c. the initial amount of money placed in the savings account

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question

answer///alimentary canal/gastrointestinal tract.digestive (gi);