Please answer the following question: What is the question to: "The seven SI base units and the interdependency of their definitions: for example, to extract the definition of the metre from the speed of light , the definition of the second must be known while the ampere and candela are both dependent on the definition of energy which in turn is defined in terms of length , mass and time ."? The topic is SI base unit.
Answer:
"what is a base SI unit?"