Answer:
It's ( C )They Are Considered As An Outcaste
a); and c). During Chandragupta II reign, great impulse was given to arts and science. One of the main scholars of the time was Aryabhata, who came up with the concept of zero and discovered the ratio of pi. He also worked in demonstrating that the earth moves around the sun instead of otherwise.
Its the periodic movement if that what your asking for
Answer:
Might be B
take that with a grain of salt though
Explanation:
