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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Which gas is produced when trees and fossil fuels are burnt...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Nitrogen oxide
(D) Oxygen

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What force is involved when we rub our hands together to warm them in winter and when we rub a matchstick to ignite it...?

(A) Gravity
(B) Friction

(C) Electromagnetism
(D) Inertia

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Which animal can create the loudest sound among any living creature...?

(A) Donkey
(B) Monkey

(C) Humpback whales
(D) None of these

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How much percentage (%) of the Earth's Surface is covered with water...?

(A) 70%
(B) 60%

(C) 90%
(D) 75%

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The part of ear that is visible is called _______...?

(A) External Ear
(B) Pinna

(C) Internal ear
(D) both A & B

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The longest bone in human body is___________...?

(A) Ulna
(B) Tibia

(C) Femur
(D) Humerus

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A gas is a state of matter _______...?

(A) Definite volume and definite shape
(B) Definite volume and indefinite shape

(C) Indefinite volume and indefinite shape
(D) Indefinite volume and definite shape

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One of the main function of the earth’s ozone layer is to ...?

(A) Prevent global warming
(B) Filter out ultraviolet rays

(C) Absorb pollution
(D) All of the above

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Special type of movement of specific substances through carrier protein is _____...?

(A) Facilitated diffusion
(B) Active transport

(C) Passive transport
(D) Osmosis

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