Define extinction as the term is used in reinforcement theory?

Is my brain more male or female? Why is it important to prevent a cat from licking its neuter incision? What is the life cycle of a fang-tooth? What is the hardest environment for animals to adapt to? During the mating season males out number the females by what ratio? Where did anishinabe live? Can a dead fish contaminate a tank? What creature coos? What is tissavel fur made of? Wandering animal herder? Why did the Plains Indians used hores to pull travois instead of dogs? What happened to Sydney from vine? What is the best container to keep mealworms in? What could be causing the strong cat urine smell in my home? Are lamprey's endothermic or ectothermic? What animal makes cotten? What are some common behaviors exhibited by domestic cats, and how can understanding these behaviors help in providing better care for our feline companions? Is it safe for dogs to drink creek water? What plant and animal kingdom make together? How many poops can you take a day to be normal?