B is the answer because its a group so yes
Answer:
Pygmalion effect
Explanation:
Pygmalion effect is the psychological process in which the expectation related to work improves the performance of a person. George Bernard Shaw was a social psychologist who proposed the Pygmalion effect.
Many psychologists conducted much research on the Pygmalion effect. Rosenthal was a psychologist who has been used this affect students' classroom where it has been called a classroom Pygmalion effect.
Thus here Sarah a middle-class school teacher who has been used Pygmalion effect in her classroom to improve the performance of the students.
The most important sources of social changes are physical environment, technology, population, cultural innovation and social conflict. The statement is true.
<h3>What is social change?</h3>
Social changes refers to those changes that occurs in human being while interacting and making relationships which transforms the society and culture as a whole.
These changes benefits the society as a whole as technological development helps the future generations for example mobile phone helps social interactions and many more.
Thus social changes are important for future growth.
Learn more about changes here:
brainly.com/question/16971318
#SPJ1
Hey there,
Your question states: <span>How did the calculation of pi help mathematicians during the Gupta period?
My best guess that I would give would be the option B. </span><span>
The value of pi helped them explain that Earth is a rotating sphere. Because they used the </span>
to help them, just as we use that in math.
Hope this helps.
~Jurgen
