1.- Sales of used goods are not counted. It has sense because if they were counted we would have double the counting.
2.- Goods and services that are sold in the black market or illegal goods and services because they are extremely difficult to count.
3. Intermediate goods that are used to produce other final goods because the counting of intermediate goods counting will lead to double counting .
Our best estimate for the age of the universe is based on what we currently know about the universe's history is 13.772 billion years.
<h3>How to calculate the age of the universe?</h3>
There are two methods by which the scientists calculate the age of the universe:
By searching for the oldest stars
By calculating the rate of expansion of the universe and generalizing back to the Big Bang Theory.
Thus, Our best estimate for the age of the universe is 13.772 billion years.
Learn more about the age of the universe
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Answer:
option A will be the best
For some musicians true for others who do it for the passion false so both
