I don’t know if this will help
Answer:
one of them is the coronavrius
Explanation:
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.
Sugar and salt. Substances that do not dissolve in water are called insoluble.
