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.
C. Senate The legislative branch is one of the subgroups of a republic and democratic government which are responsible for passing bills and laws that may benefit the people.
Thank you for your question. Please don't hesitate to ask in Brainly your queries.
