Rating Newest Oldest. Best Answer: Control variable is something is an experiment that doesn't change. It is not what is being tested. It is used to validate results. For example, you want to test if plants grow better in red of blue light.ou need to give each plant the same amount of water at the same time and need to keep the temperature constant. You change the color of light. Your control variables are: amount of water, time of water, and temperature because they are always the same.
Aftermath at Gettysburg and the American Civil War. The Battle of Gettysburg changed the lives of not only the soldiers, but also Gettysburgâs residents. The Battle of Gettysburg resulted in 51,000 casualties (killed, wounded, captured and missing).
The Battle of Gettysburg - July 1863. Prisoners of War. The frequently cited casualty figures for the Battle of Gettysburg often focus on the killed and wounded for those terrible three days. The 10,000 or so dead were buried on the field, interred elsewhere, or lost among the nooks of the vast battlefield. The about 30,000 wounded received what care they could.