To use system recovery options, you'll need a Windows installation disc or access to the recovery options provided by your computer manufacturer. If you don't have either of those choices, you can create a system repair disc to access system recovery options. Show All. To create a system repair disc. Open Backup and Restore by clicking the Start button, clicking Control Panel, clicking System and Maintenance, and then clicking Backup and Restore.
Transcript of Effect of soaps on bacterial growth. The effect of different types of soaps on bacterial growth To determine the effects of various types of soap on bacterial growth and to identify which is the most effective.armful bacteria is the reason why we have soaps. Soaps are needed and used regularly to prevent the spread of harmful bacteria and infectious disease. The independent variable in this experiment is the type of soap used which will be Dawn dish soap, Mr. Clean, Softsoap hand soap, and Purell hand sanitizer.
A substance used for washing or cleaning, consisting of a mixture of sodium or potassium salts of naturally occurring fatty acids. Like detergents, soaps work by surrounding particles of grease or dirt with their molecules, thereby allowing them to be carried away. Unlike detergents, soap reacts with the minerals common in most water, forming an insoluble film that remains on fabrics. For this reason soap is not as efficient a cleaner as most detergents. The film is also what causes rings to form in bathtubs. Compare detergent.