Science — English

What is the primary purpose of an experiment in scientific research?
The primary purpose of an experiment in scientific research is to test a hypothesis under controlled conditions. This allows researchers...
Added: 17 Jan 2000
Updated: 11 Nov 2025
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What term describes the biological process of cell division in somatic cells?
The term that describes the biological process of cell division in somatic cells is mitosis. During mitosis, a single cell...
Added: 17 Jan 2000
Updated: 08 Nov 2025
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What does the conservation of energy state?
The conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. This...
Added: 17 Jan 2000
Updated: 02 Nov 2025
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What is the role of the forebrain in human behavior?
The role of the forebrain in human behavior encompasses various functions, including sensory perception, decision-making, emotional regulation, and voluntary movement....
Added: 17 Jan 2000
Updated: 09 Nov 2025
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What is a primary consumer in the food chain?
A primary consumer in the food chain is any organism that primarily feeds on producers, such as plants or algae....
Added: 17 Jan 2000
Updated: 09 Nov 2025
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In physics, what is the term for the resistance of an object to change its state of motion?
In physics, the term for the resistance of an object to change its state of motion is inertia. Inertia is...
Added: 17 Jan 2000
Updated: 11 Nov 2025
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What is the primary role of the kidneys in homeostasis?
The primary role of the kidneys in homeostasis is to filter waste products from the blood, regulate electrolyte balance, and...
Added: 17 Jan 2000
Updated: 26 Nov 2025
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What is the name of the force that attracts two bodies toward each other?
The name of the force that attracts two bodies toward each other is gravitation. This fundamental force governs the interactions...
Added: 17 Jan 2000
Updated: 30 Nov 2025
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What is biodiversity?
Biodiversity refers to the variety and variability of life forms within a given ecosystem, biome, or on the entire planet....
Added: 17 Jan 2000
Updated: 01 Nov 2025
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What type of bond involves the sharing of electron pairs between atoms?
The type of bond that involves the sharing of electron pairs between atoms is called a covalent bond. This bond...
Added: 17 Jan 2000
Updated: 07 Nov 2025
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What are nonrenewable resources?
Nonrenewable resources are natural resources that cannot be replaced or regenerated on a human time scale once they are consumed....
Added: 17 Jan 2000
Updated: 18 Nov 2025
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What is the significance of the prokaryotic cell membrane?
The significance of the prokaryotic cell membrane lies in its role as a barrier that controls the movement of substances...
Added: 17 Jan 2000
Updated: 20 Nov 2025
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What is the term for a substance that cannot be broken down into simpler substances by chemical means?
The term for a substance that cannot be broken down into simpler substances by chemical means is a chemical element....
Added: 17 Jan 2000
Updated: 29 Nov 2025
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What is the principle behind carbon dating?
The principle behind carbon dating is based on the decay of carbon-14, a radioactive isotope of carbon. Living organisms continuously...
Added: 17 Jan 2000
Updated: 24 Nov 2025
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What phenomenon is described by the bending of light as it passes from one medium to another?
The phenomenon described by the bending of light as it passes from one medium to another is known as refraction....
Added: 17 Jan 2000
Updated: 09 Nov 2025
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What is a biome characterized by minimal rainfall and extreme temperatures?
A biome characterized by minimal rainfall and extreme temperatures is the desert biome. Deserts receive less than 250 mm of...
Added: 17 Jan 2000
Updated: 20 Nov 2025
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What is the main difference between a proton and a neutron?
The main difference between a proton and a neutron lies in their electric charge. Protons carry a positive charge, while...
Added: 17 Jan 2000
Updated: 11 Nov 2025
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What type of reaction releases energy?
A type of reaction that releases energy is known as an exothermic reaction. In these reactions, the energy produced from...
Added: 17 Jan 2000
Updated: 01 Dec 2025
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What unit is used to measure the frequency of sound waves?
The unit used to measure the frequency of sound waves is the Hertz (Hz). One Hertz is defined as one...
Added: 17 Jan 2000
Updated: 22 Nov 2025
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What is the main function of the reticulated network?
The main function of the reticulated network in cells, such as the endoplasmic reticulum, is to facilitate the transport of...
Added: 17 Jan 2000
Updated: 30 Nov 2025
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