Science — English

What is the significance of pollinators in plant reproduction?
Pollinators, such as bees and butterflies, play a crucial role in plant reproduction by facilitating cross-pollination. This process enhances genetic...
Added: 29 Mar 2000
Updated: 02 Nov 2025
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What is the primary force acting on a freely falling object?
The primary force acting on a freely falling object is gravity. This force pulls objects toward the center of a...
Added: 29 Mar 2000
Updated: 23 Nov 2025
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What is the device used to measure atmospheric pressure?
The device used to measure atmospheric pressure is called a barometer. Barometers can be classified mainly into two types: mercury...
Added: 29 Mar 2000
Updated: 02 Nov 2025
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What is the phenomenon of changing liquid to solid known as?
The phenomenon of changing liquid to solid is known as freezing or solidification. This occurs when a liquid loses enough...
Added: 29 Mar 2000
Updated: 12 Nov 2025
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What are the two types of waves in physics?
The two types of waves in physics are mechanical waves and electromagnetic waves. Mechanical waves require a medium (like air,...
Added: 29 Mar 2000
Updated: 01 Nov 2025
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What is the term for organisms that rely on other organisms for food?
Organisms that rely on other organisms for food are termed heterotrophs. Unlike autotrophs, which produce their own food via photosynthesis...
Added: 29 Mar 2000
Updated: 27 Nov 2025
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What process do mammals use to maintain body temperature?
Mammals maintain body temperature through a process known as thermoregulation. This involves physiological and behavioral mechanisms that allow mammals to...
Added: 29 Mar 2000
Updated: 21 Nov 2025
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What is the term for a controlled experiment in science?
The term for a controlled experiment in science is an experiment or, more specifically, a controlled experiment. In this type...
Added: 29 Mar 2000
Updated: 09 Nov 2025
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What is the natural phenomenon that causes the northern lights?
The natural phenomenon that causes the northern lights is known as the aurora borealis. This spectacular display occurs when charged...
Added: 29 Mar 2000
Updated: 16 Nov 2025
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What is the result of combining an acid and a base?
The result of combining an acid and a base is a neutralization reaction, which typically produces a salt and water....
Added: 29 Mar 2000
Updated: 16 Nov 2025
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What is the process by which energy is released from glucose?
The process by which energy is released from glucose is known as cellular respiration. During this metabolic process, glucose (C₆H₁₂O₆)...
Added: 29 Mar 2000
Updated: 07 Nov 2025
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What is the charge of a neutron?
A neutron has no charge, making it electrically neutral. Neutrons are one of the three main subatomic particles found in...
Added: 29 Mar 2000
Updated: 01 Nov 2025
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What is the term used for an organism's ability to survive and reproduce?
The term used for an organism's ability to survive and reproduce is fitness. In the context of evolutionary biology, fitness...
Added: 29 Mar 2000
Updated: 16 Nov 2025
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What is the scientific study of the behavior of light called?
The scientific study of the behavior of light is called optics. Optics encompasses the study of light propagation, the interaction...
Added: 29 Mar 2000
Updated: 30 Nov 2025
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What is the primary component of cell membranes?
The primary component of cell membranes is the phospholipid bilayer. Phospholipids have hydrophilic (water-attracting) heads and hydrophobic (water-repelling) tails, which...
Added: 29 Mar 2000
Updated: 06 Nov 2025
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What phenomenon explains the behavior of light in a prism?
The phenomenon that explains the behavior of light in a prism is called refraction. When light passes from one medium,...
Added: 29 Mar 2000
Updated: 12 Nov 2025
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What is the main function of mitochondria in cells?
The main function of mitochondria in cells is to produce adenosine triphosphate (ATP), which serves as the primary energy currency...
Added: 29 Mar 2000
Updated: 03 Nov 2025
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What are the two main types of chemical bonds?
The two main types of chemical bonds are ionic bonds and covalent bonds. Ionic bonds form when electrons are transferred...
Added: 29 Mar 2000
Updated: 05 Nov 2025
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What is the name of the most common isotope of carbon?
The most common isotope of carbon is carbon-12 (¹²C). It consists of 6 protons and 6 neutrons, making it stable...
Added: 29 Mar 2000
Updated: 29 Nov 2025
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What type of symmetry is found in starfish and jellyfish?
The type of symmetry found in starfish and jellyfish is known as radial symmetry. This means their body plans are...
Added: 29 Mar 2000
Updated: 18 Nov 2025
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