Science — English

What is the primary function of hormones in the body?
Hormones are chemical messengers produced by endocrine glands that regulate various physiological processes in the body. They control functions such...
Added: 27 Mar 2000
Updated: 30 Nov 2025
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What is the process of decay of radioactive materials called?
The process of decay of radioactive materials is called radioactive decay. In this process, unstable atomic nuclei lose energy by...
Added: 27 Mar 2000
Updated: 23 Nov 2025
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What type of wave can travel through a vacuum?
The type of wave that can travel through a vacuum is an electromagnetic wave. Unlike mechanical waves, which require a...
Added: 27 Mar 2000
Updated: 13 Nov 2025
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What phenomenon causes the seasons to change?
The phenomenon that causes the seasons to change is the tilt of the Earth's axis combined with its orbit around...
Added: 27 Mar 2000
Updated: 05 Nov 2025
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What is the pH level of a strong acidic solution?
The pH level of a strong acidic solution is typically below 3. In the pH scale, values lower than 7...
Added: 27 Mar 2000
Updated: 05 Nov 2025
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What is the main gas involved in the process of respiration?
The main gas involved in the process of respiration is oxygen (O2). During respiration, organisms utilize oxygen to convert glucose...
Added: 27 Mar 2000
Updated: 25 Nov 2025
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What structure in the cell is responsible for packaging proteins?
The structure in the cell responsible for packaging proteins is called the Golgi apparatus. This organelle modifies, sorts, and packages...
Added: 27 Mar 2000
Updated: 09 Nov 2025
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What is the term for a series of chemical reactions that occur in a sequence?
The term for a series of chemical reactions that occur in a sequence is called a metabolic pathway. These pathways...
Added: 27 Mar 2000
Updated: 10 Nov 2025
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What is the scientific study of the atmosphere and weather called?
The scientific study of the atmosphere and weather is called meteorology. Meteorologists analyze weather patterns, atmospheric conditions, and their effects...
Added: 27 Mar 2000
Updated: 16 Nov 2025
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What is the common name for the vein that takes blood from the heart to the lungs?
The common name for the vein that takes blood from the heart to the lungs is the pulmonary artery. This...
Added: 27 Mar 2000
Updated: 24 Nov 2025
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What gas is produced during the combustion of fossil fuels?
The gas produced during the combustion of fossil fuels is primarily carbon dioxide (CO2). Fossil fuels, such as coal, petroleum,...
Added: 27 Mar 2000
Updated: 04 Nov 2025
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What is the name of the cycle through which water moves in the environment?
The name of the cycle through which water moves in the environment is called the hydrological cycle or water cycle....
Added: 27 Mar 2000
Updated: 18 Nov 2025
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What is the common term for the electrical charge of an atom?
The common term for the electrical charge of an atom is ion. An atom becomes an ion when it gains...
Added: 27 Mar 2000
Updated: 07 Nov 2025
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What is the primary element found in the Earth's core?
The primary element found in the Earth's core is iron. The Earth's core is divided into two parts: a solid...
Added: 27 Mar 2000
Updated: 12 Nov 2025
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What is the process by which water is absorbed by plant roots called?
The process by which water is absorbed by plant roots is called water uptake, primarily through osmosis. In this process,...
Added: 27 Mar 2000
Updated: 24 Nov 2025
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What is the key component of the cell membrane?
The key component of the cell membrane is phospholipids. These molecules form a bilayer that creates a semi-permeable barrier, allowing...
Added: 27 Mar 2000
Updated: 16 Nov 2025
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What is the scientific term that describes the struggle for survival among organisms?
The scientific term that describes the struggle for survival among organisms is called natural selection. This process was proposed by...
Added: 27 Mar 2000
Updated: 19 Nov 2025
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What is the name of the instrument used to measure temperature?
The instrument used to measure temperature is called a thermometer. There are various types of thermometers, including liquid-in-glass, digital, and...
Added: 27 Mar 2000
Updated: 04 Nov 2025
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What is the name given to the outermost layer of the Earth?
The outermost layer of the Earth is called the crust. It consists of solid rock and varies in thickness, being...
Added: 27 Mar 2000
Updated: 12 Nov 2025
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What is the primary difference between plant and animal cells?
The primary difference between plant and animal cells lies in their structures and functions. Plant cells possess a cell wall,...
Added: 27 Mar 2000
Updated: 09 Nov 2025
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