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Looking for MCQs? You're in the right place! Whether you're preparing for competitive exams, school boards or just aiming to improve your knowledge, we offer MCQs for all levels and subjects.
Answer: Kinetic energy
Kinetic energy is the energy possessed by an object due to its motion, such as a rolling ball or flowing water.
Answer: Particles that move freely
In solids, particles are tightly packed and do not move freely, unlike in liquids or gases where particles can move more easily.
Answer: Igneous
Igneous rocks form from the cooling and solidifying of molten rock, either magma beneath the Earth or lava erupted on the surface.
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Answer: Hydrogen
Hydrogen is the most abundant element in the universe, making up about 75% of its elemental mass, especially in stars.
Answer: Provide structure
The skeletal system provides the bodys framework, protecting vital organs, supporting the body and enabling movement.
Answer: Aqueous solution
An aqueous solution is one where water is the solvent, dissolving substances like salts or sugars.
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Answer: Nitrogen
Nitrogen makes up approximately 78% of Earths atmosphere, while oxygen accounts for about 21%.
Answer: Charles Darwin
Charles Darwin is known for his groundbreaking theory of evolution by natural selection, proposed in his book On the Origin of Species.
Answer: Embryogenesis
Embryogenesis is the process of development from a fertilized egg to a fully formed organism, including stages like cleavage and differentiation.
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Answer: Oxygen
Oxygen makes up about 46% of the Earths crust, primarily found in compounds like silicates.
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