Resonators. Resonators are sections of exhaust pipe that expand to a larger diameter and allow the sound waves to reflect off the walls and cancel out. Resonators are mostly used to reduce raspiness and popping. They do not produce much back pressure.
Moving On. As people moved and migrated, the cats did too, spreading throughout the world with human tribes. According to National Geographic, the earliest evidence of domestic cats is from Cypress, dating back 9,500 years.ave. When you watch your cat engage in every day behavior, whether it's jumping onto her cat tree, twitching her tail as she spots a bird out the window or dig around in her litter box, consider that she's the result of more than 10,000 years of evolution.
Cats first came with dogs over 65 million years ago. These animals were somewhat but eventually evolution plays a part in what the cat and dogs will be now. Domesticed cats we â¦ re the last in the line over 20 million years ago.