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The following are the atmospheric zones above the surface of the earth:
A) Troposphere
B) Ionosphere
C) Stratosphere
D) Exosphere
Select the correct sequence from the earth's surface on the basis of the codes given below:

A. ACBD

B. ABCD

C. CABD

D. BACD

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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