Thus, positive reinforcement occurs when a behavior is encouraged by rewards. If a child enjoys candy and cleaning the room is the desired behavior, the candy is a positive reinforcer (reward) because it is something that is given or added when the behavior occurs. This makes the behavior more likely to recur.
If they are to many links then the animals would not have enough food energy
Eutrophication is a type of pollution caused when excess nutrients, primarily nitrogen and phosphorus, enter the water. The overload of nutrients cause algae to grow uncontrollably, depleting the water of oxygen as they die.
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The answer is C. Raccoons they eat both plants and animals.
