Answer: C
Step-by-step explanation:
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Answer:
The correct answer to the question is
a. variable interval
Step-by-step explanation:
In a variable interval, the time at which reinforcement or reward is gained occurs at an unpredictable time. That is the animal gets a reinforcement on the grounds of an unpredictable time period.
An example of a variable interval is the catching of fish whereby the fisher catches fishes at an unpredictable time throughout the day.
The result of a variable interval is a controlled but stable response rate. In the case in the question, constant monitoring of the fishing device is important
Answer:
a square pyramid
Step-by-step explanation:
its easy ;)
Answer:
Age of Mark is 25 years.
Step-by-step explanation:
Let the current age of Mark = x years
After 20 years, age of Mark=(x+20) years
10 years ago,age of Mark was (x-10) years.
In 20 years Mark will be three times as old as he was 10 years ago.
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