- Atmosphere - It is the thin, life-giving gaseous envelope of the Earth. It contains 78% Nitrogen, 21% oxygen and 1 % trace gases. Atmosphere is
divided into different layers which include the troposphere (lowest layer)
stratosphere, mesosphere, and thermosphere.

Altocumulus, altostratus, cirrocumuls, cirrostratus, cirrus, cumulonimbus, cumulus, nimbostratus, stratocumulus, stratus 8.) clouds with tallest vertical development 9.) low altitude clouds in solid layers that produce rain 10.) high altitude thin flat layers of clouds 11.) rain clouds that form under stable atmospheric conditions 12.) middle altitude clouds with globular appearance

Which of the following statements does not describe shi huangdi? a. shi huangdi was the first emperor of the qin dynasty. b. shihuangdi wrote the lunyu, the most important text in confucianism. c. shihuangdi conquered city-states to unite china. d. shihuangdi began the process of building the great wall of china.

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