Answer:
(A region) is a basic unit of geographic study. It is defined as an area that has unifying characteristics.
Answer:
B- Variable ratio
Explanation:
In operant conditioning, a variable-ratio schedule is a schedule of reinforcement where a response is reinforced after an unpredictable number of responses. This schedule creates a steady, high rate of responding.
Shea is purchasing the tickets despite losing the other time, which conforms with the reinforcement and rate of response.
Gambling and lottery games are good examples of a reward based on a variable ratio schedule.
They move in all directions . They can move through solids, liquids, and gases. And not only through air , and definitely can’t be heard in space