alleryٹروپوسفیئر میں وایمنڈلیی ماس کا تقریباً کیا حصہ ہے؟
A60 فیصد
B80 فیصد
C40 فیصد
D20 فیصد
Answer & Solution
Correct answer: B. 80 فیصد
ٹروپوسفیئر زمین کے ماحول کے کل کمیت کا تقریباً 80 فیصد رکھتا ہے۔
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