The phrase 'positive reinforcer' means a reinforcing stimulus that serves to increase the likelihood of the response that produces it
Positive - sun gives us Vitamin D and help in plants photosynthesis Negative - too much exposure may cause skin cancer
Your Mama ;D
Well, it means for information to get passed around the world quicker and easier... Sharing knowledge can be beneficial to countries with less resources.
I am healthy. I am happy. I am worthy of love. I am beautiful. I am smart.