Computer forensics are important because they can help identify things people simply cannot. It can help people find criminals that would be otherwise un-catchable.
The difference was that serfs were required to work for their lord and give him food for exchange of protection when war times appeared. Peasants, on the other hand, had no obligation to do so, they were just people who were agricultural workers and were growing crops.
The answer is: When Kirsten turns over paper.
Recycling is the process of converting waste into material or products of potential utility bringing the reducing of the consumption as a consequence. In this scenario, Kirsten turns the paper to take advantage of the blank space. When she gets tired of one side of the painting, she can use the other painting. Kirsten then saved up the use of another paper, using the blank side of the same paper she had used before.
the process of learning to behave in a way that is acceptable to society.