Science — English

What phenomenon causes a rainbow to form in the sky?
A rainbow forms in the sky due to the phenomenon of refraction and dispersion of light. When sunlight passes through...
Added: 01 Apr 2000
Updated: 13 Nov 2025
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What kind of energy is stored in chemical bonds?
The energy stored in chemical bonds is known as potential energy. This energy is released during chemical reactions when bonds...
Added: 01 Apr 2000
Updated: 15 Nov 2025
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In which layer of the Earth do tectonic plates exist?
Tectonic plates exist in the lithosphere, which is the outer layer of the Earth. This layer comprises the uppermost part...
Added: 01 Apr 2000
Updated: 26 Nov 2025
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What is the phenomenon of thermal expansion?
The phenomenon of thermal expansion refers to the tendency of matter to change its dimensions in response to changes in...
Added: 01 Apr 2000
Updated: 01 Nov 2025
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What is the study of physical processes in living organisms?
The study of physical processes in living organisms is called biophysics. It combines principles from physics and biology to analyze...
Added: 01 Apr 2000
Updated: 01 Nov 2025
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What is DNA's role in heredity?
DNA's role in heredity is fundamental as it carries genetic information crucial for the development and functioning of living organisms....
Added: 01 Apr 2000
Updated: 08 Nov 2025
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What are structural proteins essential for in organisms?
Structural proteins are essential for support and shape in organisms. They form the structural framework in cells and tissues, maintaining...
Added: 01 Apr 2000
Updated: 25 Nov 2025
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What is the cause of ocean currents?
The cause of ocean currents is primarily driven by a combination of factors, including winds, Earth's rotation, and differences in...
Added: 01 Apr 2000
Updated: 15 Nov 2025
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What is the most significant feature of a scientific law?
The most significant feature of a scientific law is its ability to consistently describe and predict natural phenomena under specific...
Added: 01 Apr 2000
Updated: 28 Nov 2025
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What is the importance of phytochromes in plant growth?
The importance of phytochromes in plant growth lies in their role as photoreceptors that detect light. They regulate various physiological...
Added: 01 Apr 2000
Updated: 25 Nov 2025
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What biological process results in genetic variation?
The biological process that results in genetic variation is known as meiosis. Meiosis is a specialized type of cell division...
Added: 01 Apr 2000
Updated: 24 Nov 2025
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What is the primary mechanism behind tectonic plate movements?
The primary mechanism behind tectonic plate movements is mantle convection. The Earth's mantle consists of semi-solid rock that behaves like...
Added: 01 Apr 2000
Updated: 12 Nov 2025
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What does the term "allele" refer to in genetics?
In genetics, the term allele refers to different versions of a gene that occur at a specific locus on a...
Added: 01 Apr 2000
Updated: 24 Nov 2025
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What is the key to understanding inheritance in genetics?
The key to understanding inheritance in genetics is the concept of the gene. Genes are segments of DNA that carry...
Added: 01 Apr 2000
Updated: 15 Nov 2025
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What is the term for systems that operate without energy input?
The term for systems that operate without energy input is autonomous systems. These systems can function independently by utilizing their...
Added: 01 Apr 2000
Updated: 29 Nov 2025
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What type of bond holds the water molecule together?
The type of bond that holds the water molecule together is the polar covalent bond. In water (H2O), oxygen atoms...
Added: 31 Mar 2000
Updated: 16 Nov 2025
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What do we call the layers of gases surrounding the Earth?
The layers of gases surrounding the Earth are collectively known as the atmosphere. It consists of several layers, including the...
Added: 31 Mar 2000
Updated: 12 Nov 2025
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What theory describes the development of life on Earth?
The theory that describes the development of life on Earth is known as the theory of evolution, primarily formulated by...
Added: 31 Mar 2000
Updated: 05 Nov 2025
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What is the trypsin responsible for in the digestive process?
Trypsin is a digestive enzyme responsible for breaking down proteins into smaller peptides in the small intestine. It is secreted...
Added: 31 Mar 2000
Updated: 21 Nov 2025
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What is the process in which plants release water vapor?
The process in which plants release water vapor is called transpiration. During transpiration, water absorbed by the roots travels through...
Added: 31 Mar 2000
Updated: 15 Nov 2025
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