They developed a new caste system
Answer: Persistence of vision.
Explanation:
The persistence of vision was described the first time by Peter Mark Roget.
Explain t<em>he ability of the retina to maintain an image a third of a second after viewing it, even when the image passed quickly.</em> This allows the brain to analyze and process the image. Due to this process, the visual information is processed continuously, much like a movie, instead of having pauses between images.
<em>I hope this information can help you.</em>
Earth's earliest atmosphere lacks Oxygen, the gas necessary for life because it is a requirement for aerobic respiration.Oxygen does so many things for our body but It is the only respiration human body cells are capable of. Oxygen is needed for multiple reasons. It nourishes cells, allows the chemical transportation, helps toxins and waste material to break down and it supports and provides energy to our metabolism.