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).
Every opportunity at a halt during a march should be taken advantage of to cut grass, wheat, or oats and extraordinary care be taken of the horses upon which everything depends.. The total number of horses and mules killed in the Civil War mounts up to more than one million. In the beginning of the war, more horses were being killed than men. The number killed at the Battle of Gettysburg totaled around 1,500. The Union lost 881 horses and mules, and the Confederacy lost 619. It is the great misfortune of horses that they can be saddle-broken and tamed. If the horse was more like an ox, not suited for riding, the war would have been drastically different.