They mostly had resources , and locations in common.
Depends how many peanuts to a single elephant
Lesser Himalayas is a major east-west mountain range with elevations 3,700 to 4,500 m (12,000 to 14,500 feet) along the crest, paralleling the much higher Great Himalaya range from the Indus River in Pakistan.
What’s the whole question asking what are the options??
The subject of science is very broad. With that being said, I think there is no official regulatory board that decides the branches of science. Scientific developments are products of joined efforts of different scientists. These scientists could rebuke another's work provided there is evidence. As long as the theory is generally accepted by the scientists and no one rebukes it effectively, then it is a generally accepted fact and everyone adapts it.
Hence, the answer is B.