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.
The answer is Petersburg Volgograd
False. According to the U.S constitution, President Lincoln couldn't abolish slavery.
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The metric unit for Mass is a gram
Answer:
1.to protect people to any virus and to look attractive
2. to maitain a good system and good condition
3.on the cleaniest place and have good air
