Science — English

What do you call the point at which the per capita growth rate of a population decreases?
The point at which the per capita growth rate of a population decreases is known as the carrying capacity. This...
Added: 25 Jan 2000
Updated: 07 Nov 2025
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What is a physical change?
A physical change refers to a change in which the composition of a substance remains unchanged while its properties may...
Added: 25 Jan 2000
Updated: 05 Nov 2025
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What is the role of the ozone layer?
The role of the ozone layer is to protect the Earth from harmful ultraviolet (UV) radiation emitted by the Sun....
Added: 25 Jan 2000
Updated: 01 Dec 2025
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What is the significance of the double helix structure of DNA?
The significance of the double helix structure of DNA is that it allows for the efficient storage and transmission of...
Added: 25 Jan 2000
Updated: 21 Nov 2025
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How do vaccines stimulate an immune response?
Vaccines stimulate an immune response by introducing a harmless component or a weakened version of a pathogen. This exposure prompts...
Added: 25 Jan 2000
Updated: 14 Nov 2025
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What does the term “adaptation” mean in biology?
The term “adaptation” in biology refers to the process through which a species becomes better suited to its environment over...
Added: 25 Jan 2000
Updated: 21 Nov 2025
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What is the primary factor that drives ocean currents?
The primary factor driving ocean currents is the wind, which creates friction on the surface of the ocean, resulting in...
Added: 25 Jan 2000
Updated: 09 Nov 2025
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What is the main idea behind the theory of relativity?
The main idea behind the theory of relativity encompasses two interrelated concepts: special relativity and general relativity. Special relativity introduces...
Added: 25 Jan 2000
Updated: 15 Nov 2025
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What phenomenon explains why we see lightning before we hear thunder?
The phenomenon that explains why we see lightning before we hear thunder is due to the difference in the speed...
Added: 25 Jan 2000
Updated: 15 Nov 2025
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What is the study of genetics concerned with?
The study of genetics is concerned with understanding heredity, genetic variation, and the mechanisms through which traits are passed from...
Added: 25 Jan 2000
Updated: 11 Nov 2025
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What is the main role of enzymes in biochemical reactions?
The main role of enzymes in biochemical reactions is to serve as biological catalysts. They speed up reactions by lowering...
Added: 25 Jan 2000
Updated: 16 Nov 2025
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What is the function of antibodies in the immune system?
Antibodies serve a critical function in the immune system by identifying and neutralizing pathogens such as bacteria and viruses. Produced...
Added: 25 Jan 2000
Updated: 16 Nov 2025
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What is the primary purpose of DNA replication?
The primary purpose of DNA replication is to ensure that genetic information is accurately copied and passed on during cell...
Added: 25 Jan 2000
Updated: 27 Nov 2025
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Which scientist is known for their work on electricity and magnetism?
Michael Faraday is a scientist renowned for his groundbreaking work on electricity and magnetism. His experiments laid the foundation for...
Added: 25 Jan 2000
Updated: 19 Nov 2025
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What is the periodic table used for?
The periodic table is used for organizing and representing chemical elements based on their atomic structure and properties. It provides...
Added: 25 Jan 2000
Updated: 08 Nov 2025
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What is meant by the term “carrying capacity” in ecology?
The term “carrying capacity” in ecology refers to the maximum number of individuals of a particular species that an environment...
Added: 25 Jan 2000
Updated: 25 Nov 2025
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What kind of energy is stored in food?
The energy stored in food is known as chemical energy. This type of energy is contained within the bonds of...
Added: 25 Jan 2000
Updated: 03 Nov 2025
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What is the difference between an element and a compound?
An element is a pure substance that cannot be broken down into simpler substances by chemical means, characterized by its...
Added: 25 Jan 2000
Updated: 19 Nov 2025
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How does natural selection lead to evolution?
Natural selection leads to evolution by favoring organisms with traits that enhance their survival and reproductive success in their environment....
Added: 25 Jan 2000
Updated: 25 Nov 2025
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What is the process by which cells divide called?
The process by which cells divide is called cell division. This occurs through two main mechanisms: mitosis and meiosis. Mitosis...
Added: 25 Jan 2000
Updated: 23 Nov 2025
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