<span>The tokens act as secondary reinforcers. A secondary reinforcer is one that is associated with a primary reinforcer. In order for the reinforcer to achieve its objective, the person has to learn the association between the primary and the secondary reinforcer. For example, money is a secondary reinforcer, food is a primary reinforcer. When we see the money we are motivated by the association we make; <span>buy food with the money.
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Answer:
The passage of time and the fact that we have existed for a while.
Explanation:
Answer:
The main difference between vascular and nonvascular plants is that a vascular plant has vascular vessels to carry water and food to all the different parts of the plant. The phloem is the vessel that transports food and the xylem is the vessel that transports water.
Explanation:
Answer:
b. 66
Explanation:
In the United States, in 2007, 66 percent of corpses were disposed of by burial.
in 2007 in US 66% dead bodies are disposed off by burying.