As a result of which treaty, ozone hole in Antarctica is slowly healing...? Mcqs

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As a result of which treaty, ozone hole in Antarctica is slowly healing...?

(A) Koyoto protocol
(B) Ottawa treaty

(C) Montreal protocol
(D) Oslo Accord

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The causes of the echo is _____...?

(A) Absorption
(B) Dispersion

(C) Reflection
(D) Refraction

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Oxygen belongs to group VIA so number of electrons in its valence shell are _____...?

(A) 3
(B) 4

(C) 5
(D) 6

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Electron has a much shorter wavelength than visible light, and this allows electron microscopes to produce _____ images....?

(A) Lower-resolution
(B) Higher-magnification

(C) Equal-resolution
(D) Higher-resolution

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During the process, more water will also evaporate and convert to a gaseous state of water called the...?

(A) Water Liquid
(B) Water Solid

(C) Water Vapour
(D) Water Ice

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Solids, liquids and gases mix together to form...?

(A) Mixture
(B) Compound

(C) Element
(D) Solution

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Metabolic reactions are _______...?

(A) Constructive reactions
(B) Destructive reactions

(C) Inhibiting reactions
(D) Both A and B

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How many divisions does Fahrenheit have...?

(A) 150
(B) 160

(C) 170
(D) 180

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An astronaut sees the colour of the sky as: _________...?

(A) Blue
(B) White

(C) Red
(D) Black

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The subatomic particles arriving from outer space having high energy are called...?

(A) Protons
(B) Electrons

(C) Cosmic rays
(D) None of the above

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