What types of change in matter cannot be reversed

1. three hundred fifty texans massacred goliad 2. the president who annexed texas tyler 3. a mission used as a fort san jacinto 4. dictator of mexico sam houston 5. texas william travis 6. commander of the texas army lone star republic 7. where santa anna was captured stephen austin 8. brought more than two thousand people to texas alamo 9. texan commander of the alamo santa anna

He constitution dictates that the presiding officer of the senate is the a) majority whip. b) vice-president. c) majority leader. d) speaker of the house.

If we can't separate our civilized self from our savage self which will take over and why