The second most important layer of earth atmosphere is:...? Mcqs

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The second most important layer of earth atmosphere is:...?

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) None of these

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Hemisphere is warmer according to...?

(A) Northern to Southern
(B) Southern to Northern

(C) Same Rate
(D) None of these

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Some celestial bodies do not have their own heat and light are known as:...?

(A) Stars
(B) Planets

(C) Sun
(D) None of these

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Which is used as an electrode in the dry cell...?

(A) Lead
(B) Graphite

(C) Molybdenum
(D) None of these

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The luminous body emits ______...?

(A) Light
(B) Energy

(C) Waves
(D) None of these

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What is the meaning of Latin word “Aqua”...?

(A) Water
(B) Earth

(C) Fire
(D) Air

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H=100-4t The equation above can be used to model the number of hours h until a gallon of milk held at a temperature of t, in degrees Celsius, goes sour. Based on the model, which of the following is the best interpretation of the number 4 in the equation...?

(A) An increase of 1 degree Celsius will make a gallon of milk go sour 4 hours faster
(B) An increase of 1 degree Celsius will make 4 gallons of milk go sour 1 hour faster

(C) An increase of 4 degrees Celsius will make a gallon of milk go sour 1 hour faster
(D) An increase of 4 degrees Celsius will make a gallon of milk go sour 4 hours faster

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What is the time taken by sunlight to reach the earth...?

(A) 8 minutes
(B) 8 minutes 20 seconds

(C) 8 minutes 30 seconds
(D) 9 minutes

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The velocity of sound in air at sea level is...?

(A) 881 meters per second
(B) 761 meters per second

(C) 661 meters per second
(D) 561 meters per second

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Fathom is the unit of measurement for...?

(A) Sound
(B) Depth

(C) Energy
(D) Time

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