I think the answer "In practice, these provisions, including white primaries"
Answer:
China
Explanation:
The Chinese were the first country credited with the written record of a supernova in 185 BC.
Also, in 1054 AD, they also recorded the observation of a guest star in the sky that was visible during the day for an entire month which turned out to be a supernova.
Answer:
B
Explanation:
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