A ridge would be formed by a divergent boundary
that one is the top one. whats the first drop down
Doctor Larry Young describes how neuropeptides can activate circuits that can change emotions and behaviors. ... A neuropeptides is a chain of amino acids that is released either into the blood where it activates receptors in our body, or directly into the brain where it can activate receptors in our brain.
C, processes (it needs to be longer so ignore this part)