Answer:
It supports the hypothesis that species change over time.
What happened in South Africa is that the regime fell under the international pressure (the correct answer is b). Some example of this international pressure were trade sanctions, prohibition for the officials to enter other countries and the lack of permission to fly over the airspace of other countries.
Most canyons were formed by a process of long-time erosion from a plateau or table-land level. The cliffs form because harder rock strata that are resistant to erosion and weathering remain exposed on the valley walls.
A philosophy based on mutual respect and kindness toward others. It was developed to bring peace and stability in society. It was founded before the birth of Confucius, developed through his later life and was made popular soon after, during the Han Dynasty.
Explanation:
Answer:
Variable-ratio
Explanation:
Variable-ratio schedule: In psychology, the term "variable-ratio schedule" is described as one of the different reinforcement schedules in the operant conditioning theory which was proposed by B. F. Skinner. In the variable-ratio schedule, a specific response is being reinforced after an "unpredictable or unforeseeable number" of responses. However, the variable-ratio schedule creates a steady yet high rate in terms of response.
Example: Gambling.
In the question above, the given statement represents a variable-ratio schedule.