Characterizing energy relationships
when you view the pendulum’s swing, it shows that at the very top of the swing ke = 0. what does that tell you about the pendulum’s motion at that point?

1. is geographic distribution

2 is increasing complexity

3 is transitional forms

i think this picture will you.

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