CLASS: X PRACTISE TEST SUB: PHY-SCIENCE RanGROUP-1. Multiple choice


CLASS: X PRACTISE TEST
SUB: PHY-SCIENCE RanGROUP-1. Multiple choice questions: (1×10=10]1.1 Supersonic and civilian air crafts using jet engines fly –(i) Stratosphere (ii) Troposphere (iii) Thermosphere.2 Which among the following is an organic greenhouse ga(i) carbon dioxide (ii) methane (iii) nitrogen dioxide​


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