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The amount of cloud cover in the sky is measured in ____________ or ____________ for meteorological purposes.
A. Seven,oktas
B. Six,otkas
C. Eight,oktas
D. None of these

Answer
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Hint:The canopy of clouds is known as cloud cover in the portion of the sky visible from the observation point. The sum of cloud cover in heaven is measured by weather observers or meteorologists.

Complete answer:
Cloud cover is measured in oktas, or eighths of the sky, in meteorology.0 oktas show the complete absence of a cloud. 8 oktas represent full cloud cover with no breaks.
Option A. Seven,oktas
The cover of the cloud is measured in oktas, but in meteorology, eighths of the sky is measured.
Hence, this option is incorrect.
Option B. Six,otkas
The cover of the cloud is measured in oktas, but in meteorology, eighths of the sky is measured.
Hence, this option is incorrect.
Option C. Eight,oktas
The cover of clouds is known as cloud cover in the portion of the sky visible from the observation point.
The sum of cloud cover in heaven is measured by weather observers or meteorologists. A significant factor that determines the weather of a region is cloud cover. For meteorological purposes, the amount of cloud cover in the atmosphere is measured in units called oktas, or eight. Every Okta represents one eighth of the cloud-covered sky.
Option D. None of these
The cover of the cloud is measured in oktas, but in meteorology, eighths of the sky is measured. As we know Option C. is the right answer. Hence, this option is also incorrect.

Therefore, from the above explanation, we can conclude that Option(C).

Note:For example, scattered cloud refers to 3 to 4 octas where about half the sky is covered, broken cloud is 5 to 7 octas where most of the sky is covered, and overcast is 8 oktas of cloud with no breaks in the cloud at all. We also use terms to convey how cloudy it is.