Acid rain is mainly caused by emissions of __________ in the atmosphere...? Mcqs

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Acid rain is mainly caused by emissions of __________ in the atmosphere...?

(A) Sulfur Dioxide and Potassium Nitrate
(B) Sulfur and Charcoal

(C) Nitrogen Oxide and Potassium Nitrate
(D) Sulfur Dioxide and Nitrogen Oxide

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Fan was invented by___________...?

(A) Arthur Schimit
(B) Alfered Nobel

(C) Skaats Wheeler
(D) None of these

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The PH of milk is _______...?

(A) 6.0
(B) 6.5

(C) 7.0
(D) 7.5

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All accurately known digits and first doubtful digit in an expression are known as...?

(A) Non-significant figures
(B) Significant figures

(C) Estimated figures
(D) Crossed figures

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When a single month has two full moons, the second moon is called________...?

(A) Super moon
(B) Blue moon

(C) Super blue moon
(D) Red moon

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Who was the first scientist who gave the concept of gravitation...?

(A) Einstein
(B) Newton

(C) Faraday
(D) Maxwell

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Study of Soil is called__________...?

(A) Pedology
(B) Pedagogy

(C) sociology
(D) Demography

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The Aurora Borealis, also known as ________...?

(A) Western lights
(B) Southern lights

(C) Eastern lights
(D) Northern lights

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Two similar chromosomes in a cell which are similar in shape, size and position of centromere called _______...?

(A) Chromatids
(B) Arms

(C) Homologous
(D) Homology

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Equation stating that two ratios are equal _____...?

(A) Ratio
(B) Proportion

(C) Guess
(D) Senses

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