Michael Faraday was an infamous scientist known for his discoveries and experiments on electricity and magnetism. Without him, we are still using candles today instead of LED and fluorescent lights, as well as computers, laptop, fridge,etc. Answer is A.
For number 1 the answer is c (dissonant). And for number 2 the answer is a (the piece had a different melody for each verse.
B. Someone who copies the work of the author by hand