Muslim rulers built great cities where scholars and artists made great innovation and adaption and cultural diffusion could take place
Answer:
B. spontaneous recovery
Explanation:
Spontaneous recovery: In psychology, the term spontaneous recovery is more or less associated or connected with conditioning and learning. Fundamentally, spontaneous recovery is defined as the reappearance or restoration of a response being conditioned earlier and had been destroyed. The restoration or recovery can occur only after the behavior is not exposed to the CS or conditioned stimulus for a specific time.
In the question above, the given statement is an example of spontaneous recovery.
<span>The story of Andrew Carnegie is an example of an extreme case of Philanthropic Acts. He was a Scottish-American industrialist that paved the way for the expansion of the American steel industry during the 19th century. He gave almost 90% of his fortune to charities, foundations, and universities because he believed the wealth is something to be used for the improvement not only of himself but of society. </span>
Effects that are dependent on the size of the population and regulate the growth of populations are called density-dependent effects.