The cover of high-elevation clouds in 2002 was closest to which of the following?
A. 5.5 okta
B. 4.0 okta
C. 3.0 okta
D. 2.5 okta

High elevations clouds are located at a height of 20,000 feet. They are high above where the temperature is very low and are composed of ice crystals and appears white.

The correct answer is:

Option B. 4.0 Okta

This can be explained as:

Therefore, the value was 4.0 okta in 2002.

To learn more about cloud elevation and okta follow the link:

link

B. 4.0 Okta

Explanation:

Okta is a measurement of cloud elevation in metrology. NASA used this metric to identify the cloud elevation. The cloud elevation reached to 4.0 okta during the year 2002. High elevation ecosystem is vulnerable. The change in okta does not produces new substance and the elevation of cloud is changed.

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