1) How many layers of the atmosphere do we have a) 5 b) 9 c) 4 d) 1 e) 3 f) 2 2) The atmosphere is a _________ outer _______ a) sand/ gaseus b) layer/gaseus c) gasois/layer d) air/ atmosphere e) gaseus/layer f) gaseus/ atmosphere 3) Percent of Nitrogen in the air a) 0,03% b) 21% c) 78% d) 0,97% 4) The primitive atmosphere was made up of ... a) Water vapour and Co2 b) Co2, Water vapour, N2, TL, Ammonia and Methane c) Methane and Ammonia 5) Which was the first Living Beings? a) Animal b) Plant c) Fungi d) Protist e) Monera 6) Layers of the earth in order ( nearest - farthest from the sun ) a) Troposphere, Stratosfere, troposphere, mesosphere, stratopause b) Troposphere, Stratosphere, Mesosphere, Thermosphere and Exosphere c) Exosphere and Stratosphere 7) The layer between the stratosphere and mesosphere a) Stratomesopause b) Stratopause c) Mesopause

UNIT 7

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