The responding variable is also called the dependent variable. In this experiment, the color of the potato slice at the end of its soaking time is the responding variable. For a simple experiment, such as this, it is best to have one manipulated variable, one responding variable, and everything else contant.he manipulated variable is also called the independent variable. This is what you change. For this experiment, time is the manipulated variable. You would keep each slice of potato in its cup of juice for increasing amounts of time.
Timbuktu, which is on the U.N.-designated World Heritage List, was a seat of Islamic learning for centuries, and its Ahmed Baba library, which was constructed in 2010, was home to 20,000 manuscripts dating back as early as the year 1204. It's still not known how many of the documents were destroyed. Ben Curtis/AP.
The iTextÂ® PDF library. The iTextÂ® PDF library is open source. To quote from the GNU Free Software Definition, So although technically you can use the iTextÂ® PDF library for free under the Affero General Public License (AGPL), you will generally find that you will end up having to purchase a license.If you do not do this you are legally obliged to do the following.o quote from the GNU Free Software Definition, So although technically you can use the iTextÂ® PDF library for free under the Affero General Public License (AGPL), you will generally find that you will end up having to purchase a license. If you do not do this you are legally obliged to do the following.