A resource becomes more valuable as it becomes more scarce.
D. Air pollution is not as much of a problem there
Answer: Primary reinforcer
Explanation:
Primary reinforcer is the reinforcer that is used for fulfilling biological requirements or needs in the form of rewards. These reinforcers do not require pre-learning or potential .Example of primary reinforcer -food, water, shelter etc.
According to the question, treat is considered as primary reinforcer which is achieved by Fluffy because it satisfied his biological needs when he performed sitting activity as per Chris's command.
Erm.. If this is true or false.
It's true.
Answer:
The Portuguese, in the 16th century, were the first to engage in the Atlantic slave trade. In 1526, they completed the first transatlantic slave voyage to Brazil, and other Europeans soon followed.
Explanation:
