Science — English

What is the main purpose of conducting peer reviews in science?
The main purpose of conducting peer reviews in science is to ensure research quality and validity. This process involves experts...
Added: 25 Jan 2000
Updated: 10 Nov 2025
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What are the three types of rock in the rock cycle?
The three types of rock in the rock cycle are igneous, sedimentary, and metamorphic rocks. Igneous rocks form from the...
Added: 25 Jan 2000
Updated: 06 Nov 2025
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What is the difference between primary and secondary succession in ecology?
Primary succession occurs in an environment devoid of soil, such as after a volcanic eruption, where life gradually establishes through...
Added: 25 Jan 2000
Updated: 03 Nov 2025
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What is a keystone species?
A keystone species is a species that plays a critical role in maintaining the structure of an ecosystem. The presence...
Added: 25 Jan 2000
Updated: 23 Nov 2025
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What is the function of the adrenal glands?
The adrenal glands are small, triangular-shaped glands located on top of each kidney. They produce essential hormones such as adrenaline,...
Added: 25 Jan 2000
Updated: 26 Nov 2025
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What are the differences between endothermic and exothermic reactions?
Endothermic reactions absorb heat from their surroundings, resulting in a temperature decrease in the environment. This energy requirement allows bonds...
Added: 25 Jan 2000
Updated: 04 Nov 2025
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What is the primary role of the skin?
The primary role of the skin is to act as a protective barrier for the body. It shields against environmental...
Added: 25 Jan 2000
Updated: 30 Nov 2025
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What defines a living organism?
A living organism is defined by several key characteristics, including the ability to grow, reproduce, respond to stimuli, and maintain...
Added: 25 Jan 2000
Updated: 15 Nov 2025
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What is hydraulic fracturing?
Hydraulic fracturing, commonly known as fracking, is a technique used to extract oil and gas from deep underground by injecting...
Added: 25 Jan 2000
Updated: 02 Nov 2025
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What is the primary use of silica in technology?
The primary use of silica in technology is in the manufacture of semiconductors and glass. Silica, a compound composed of...
Added: 25 Jan 2000
Updated: 12 Nov 2025
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What is the role of genetics in inheritance?
Genetics plays a crucial role in inheritance, as it governs the transmission of traits from parents to offspring through genes....
Added: 25 Jan 2000
Updated: 06 Nov 2025
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What is a trophic level in an ecosystem?
A trophic level in an ecosystem refers to the position an organism occupies in a food chain. It is categorized...
Added: 25 Jan 2000
Updated: 24 Nov 2025
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What is the thermodynamic principle of entropy?
The thermodynamic principle of entropy describes the degree of disorder or randomness in a system. In thermodynamics, systems naturally progress...
Added: 25 Jan 2000
Updated: 12 Nov 2025
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What is the scientific study of the atmosphere?
The scientific study of the atmosphere is referred to as meteorology. It encompasses the examination of weather, climate, and atmospheric...
Added: 25 Jan 2000
Updated: 11 Nov 2025
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What is the structure that protects the brain called?
The structure that protects the brain is called the skull, or cranium. The skull functions as a bony shield against...
Added: 25 Jan 2000
Updated: 24 Nov 2025
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What is the primary purpose of conservation biology?
The primary purpose of conservation biology is to study and protect biodiversity. This scientific discipline focuses on understanding threats to...
Added: 25 Jan 2000
Updated: 17 Nov 2025
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What is the process of meiosis?
Meiosis is a type of cell division that occurs in sexually reproducing organisms. It reduces the chromosome number by half,...
Added: 25 Jan 2000
Updated: 28 Nov 2025
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What is the definition of mutation?
A mutation is a change in the DNA sequence of an organism's genome. Mutations can occur spontaneously during DNA replication...
Added: 25 Jan 2000
Updated: 09 Nov 2025
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What is the role of mitochondria in cells?
Mitochondria are often referred to as the “powerhouses” of the cell because they generate adenosine triphosphate (ATP) through the process...
Added: 25 Jan 2000
Updated: 27 Nov 2025
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What is a synapse?
A synapse is a junction between two neurons or between a neuron and another type of cell. It allows for...
Added: 25 Jan 2000
Updated: 30 Nov 2025
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