This is an example of Positive reinforcement.
Positive reinforcement is the addition of a reinforcing stimulus (giving the dog a treat) following a behavior (rolling over), that makes it more likely that the behavior occurs again.
Answer:River restoration immediately benefits the quality of the ecosystem through re-engineering channels that improve the ecology and reduce floods. It also enhances biodiversity in the area by restoring natural functions. Rivers are important natural habitats for different plants and animals
Explanation:
That, i believe, would be the Geosphere
Anything is possible in Russia. Scott and Justin meet up with their friend Bogdan and visit the last man living in the radioactive zone in Chernobyl. They visit St. Petersburg for some homemade vodka and to celebrate Bogdan's birthday, before hopping on an overnight train to Moscow.
