Answer:
some stuff happened somewhere
Is this a trick question. JK. The answer would be d.
Word credibility can be defined as the believability of words.
Answer:
He is also known for his discovery of the photoelectric effect, for which he won the Nobel Prize for Physics in 1921. Einstein developed a theory of special and general relativity, which helped to complicate and expand upon theories that had been put forth by Isaac Newton over 200 years prior.
Explanation: