List two ways to measure the gravitational poterntial energy of a ball when it's dropped from different heights. Think about the motion of the ball and your energy flow diagram, Give an
argument to support your choices. You can include methods that would not work with the
simulation.

By sj wilson · 2005 ·  related articlesschool violence prevention programs fell into four broad categories: universal interferes with their efforts to teach. program for children attending any grade, pre-k through 12th 

Your answer is c. explanation: plasma  is the fourth state of matter, derived from the gaseous state of matter.  plasma  can contain free  electrons  and/or  ions. while  plasma is never neutral, it can either be positively or negatively charged.  gases, however, are electrically neutral.