Science — English

What is a vector in biology?
A vector in biology refers to an organism that transmits an infectious agent from one host to another. Typically, these...
Added: 26 Jan 2000
Updated: 21 Nov 2025
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What process do stars undergo to produce energy?
Stars undergo a process known as nuclear fusion to produce energy. This occurs in their cores, where immense pressure and...
Added: 26 Jan 2000
Updated: 14 Nov 2025
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What is the significance of the speed of light in physics?
The significance of the speed of light in physics is that it represents the ultimate speed limit in the universe,...
Added: 26 Jan 2000
Updated: 13 Nov 2025
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What does a botanist study?
A botanist studies plants, including their physiology, structure, ecology, and evolution. Botanists may focus on various aspects, such as plant...
Added: 26 Jan 2000
Updated: 15 Nov 2025
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What is the role of ATP in cellular processes?
The role of ATP (adenosine triphosphate) in cellular processes is to serve as the primary energy currency of cells. ATP...
Added: 26 Jan 2000
Updated: 03 Nov 2025
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What is the main function of the kidney?
The main function of the kidney is to filter waste products from the blood and regulate fluid and electrolyte balance....
Added: 26 Jan 2000
Updated: 24 Nov 2025
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What is genetic drift?
Genetic drift is a mechanism of evolution that refers to random changes in allele frequencies within a population. This process...
Added: 26 Jan 2000
Updated: 22 Nov 2025
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What are greenhouse gases?
Greenhouse gases are atmospheric gases that trap heat from the Earth's surface, contributing to the greenhouse effect. Key greenhouse gases...
Added: 26 Jan 2000
Updated: 07 Nov 2025
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What kind of bond is formed when electrons are transferred from one atom to another?
A chemical bond formed when electrons are transferred from one atom to another is called an ionic bond. In this...
Added: 26 Jan 2000
Updated: 19 Nov 2025
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What is the concept of natural selection?
The concept of natural selection explains how certain traits become more or less common in a population over time. It...
Added: 26 Jan 2000
Updated: 07 Nov 2025
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What is a scientific law?
A scientific law is a statement based on repeated experimental observations that describes a fundamental relationship in nature. Unlike theories,...
Added: 26 Jan 2000
Updated: 20 Nov 2025
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What is the scientific term for the process of freezing?
The scientific term for the process of freezing is solidification. This occurs when a liquid substance loses heat and its...
Added: 26 Jan 2000
Updated: 24 Nov 2025
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What is a characteristic of a chemical element?
A characteristic of a chemical element is its unique atomic number, which identifies the number of protons in its nucleus....
Added: 26 Jan 2000
Updated: 26 Nov 2025
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What is a compound light microscope?
A compound light microscope is an optical instrument that uses multiple lenses to magnify specimens for observation. It operates using...
Added: 26 Jan 2000
Updated: 14 Nov 2025
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What is the function of the reproductive system?
The function of the reproductive system is to produce, transport, and facilitate the union of gametes, ultimately leading to the...
Added: 26 Jan 2000
Updated: 28 Nov 2025
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What is a dendrite?
A dendrite is a branched extension of a neuron that receives electrical signals from other neurons. These projections increase the...
Added: 26 Jan 2000
Updated: 28 Nov 2025
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How does acid rain form?
Acid rain forms when sulfur dioxide and nitrogen oxides are released into the atmosphere, typically from industrial activity and vehicle...
Added: 26 Jan 2000
Updated: 24 Nov 2025
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What does the term “extinction” refer to in biology?
In biology, the term “extinction” refers to the permanent disappearance of a species from Earth. This phenomenon occurs when a...
Added: 26 Jan 2000
Updated: 29 Nov 2025
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What is the primary method used to determine the age of fossils?
The primary method used to determine the age of fossils is radiometric dating. This technique measures the decay of radioactive...
Added: 26 Jan 2000
Updated: 05 Nov 2025
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What element is needed for the combustion of fuels?
The essential element needed for the combustion of fuels is oxygen. During combustion, oxygen reacts with the fuel to release...
Added: 25 Jan 2000
Updated: 26 Nov 2025
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