The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...? Mcqs

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The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?

(A) Conduction of heat upward from a hot surface
(B) Convection from a hot surface

(C) Absorption of infrared energy that has been radiated from the surface
(D) Heat energy from the earth’s interior

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DNA is _____________...?

(A) Acetic Acid
(B) A class of nucleic acids

(C) Citric Acid
(D) None of these

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Bromine is a___________________...?

(A) black solid
(B) red-brown liquid

(C) colourless gas
(D) highly inflammable gas

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AIDS virus is______________________...?

(A) Single-stranded RNA
(B) Single-stranded DNA

(C) Double-stranded RNA
(D) Double-stranded DNA

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Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

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The Sun is a __________...?

(A) Star
(B) Planet

(C) Asteroid
(D) Meteor

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