Microorganisms in Biology
Some organisms are so small that they cannot be seen with naked eye. They can only be seen by electron microscope. Therefore they are called microorganisms Micro means small and organism means living things e.g. virus, bacteria.
In the settings, before starting a workout, you need to set the workout time and the number of seconds to answer. For the results to be preserved and fixed, the exercises must be repeated daily. For the development of thinking, you should gradually complicate the level, forcing the brain to work with renewed vigor.