Science — English

What is the difference between a weather front and a weather system?
A weather front refers to a boundary between two different air masses, characterized by changes in temperature, humidity, and wind...
Added: 18 Jan 2000
Updated: 09 Nov 2025
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What is the process called by which plants convert sunlight into energy?
The process by which plants convert sunlight into energy is called photosynthesis. During this process, chlorophyll-containing cells in plant leaves...
Added: 18 Jan 2000
Updated: 06 Nov 2025
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What is ecological succession?
Ecological succession is the process by which ecosystems change and develop over time. It involves a series of gradual changes...
Added: 18 Jan 2000
Updated: 20 Nov 2025
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What are the three laws of motion proposed by Newton?
The three laws of motion proposed by Newton are fundamental principles describing the relationship between an object's motion and the...
Added: 18 Jan 2000
Updated: 18 Nov 2025
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What is the purpose of photosynthetic pigments?
The purpose of photosynthetic pigments is to capture light energy from the sun for the process of photosynthesis. These pigments,...
Added: 18 Jan 2000
Updated: 14 Nov 2025
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What is the chemical composition of air?
The chemical composition of air primarily consists of nitrogen (approximately 78%), oxygen (about 21%), and trace amounts of other gases...
Added: 18 Jan 2000
Updated: 17 Nov 2025
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What do we call the biological process of breaking down food?
The biological process of breaking down food is known as d digestion. This process involves mechanical and chemical breakdown of...
Added: 18 Jan 2000
Updated: 03 Nov 2025
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What is the significance of mitochondria in eukaryotic cells?
The significance of mitochondria in eukaryotic cells is primarily related to energy production. Often referred to as the "powerhouse of...
Added: 18 Jan 2000
Updated: 13 Nov 2025
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What is the role of glucose in cellular respiration?
The role of glucose in cellular respiration is to serve as the primary energy source. During cellular respiration, glucose undergoes...
Added: 18 Jan 2000
Updated: 15 Nov 2025
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What type of bond forms between two atoms with similar electronegativities?
A type of bond that forms between two atoms with similar electronegativities is called a covalent bond. In this bond,...
Added: 18 Jan 2000
Updated: 29 Nov 2025
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What is the importance of biodiversity in ecosystems?
The importance of biodiversity in ecosystems is immense as it contributes to ecosystem stability, resilience, and functionality. A wide variety...
Added: 18 Jan 2000
Updated: 17 Nov 2025
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What is the primary role of the nuclear envelope?
The primary role of the nuclear envelope is to protect the nucleus of eukaryotic cells. It is a double membrane...
Added: 18 Jan 2000
Updated: 25 Nov 2025
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What is the significance of the Earth's ozone layer?
The significance of the Earth's ozone layer lies in its ability to absorb the majority of the sun's ultraviolet (UV)...
Added: 18 Jan 2000
Updated: 30 Nov 2025
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What are the main components of Earth's lithosphere?
The main components of Earth's lithosphere include the crust and the uppermost part of the mantle. The crust is composed...
Added: 18 Jan 2000
Updated: 27 Nov 2025
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What type of energy is stored in fuels?
The type of energy stored in fuels is known as chemical energy. This energy is contained within the bonds of...
Added: 18 Jan 2000
Updated: 01 Nov 2025
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What is a pathogen?
A pathogen is any microorganism that can cause disease. This includes bacteria, viruses, fungi, and parasites. Pathogens invade host organisms,...
Added: 18 Jan 2000
Updated: 24 Nov 2025
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What is the function of the skeletal muscle?
The primary function of skeletal muscle is to facilitate movement of the body through voluntary contractions. These muscles are attached...
Added: 18 Jan 2000
Updated: 18 Nov 2025
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What is the difference between a cell's genotype and phenotype?
A cell's genotype refers to its complete set of genetic information, including specific versions of genes (alleles) an organism carries....
Added: 18 Jan 2000
Updated: 13 Nov 2025
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What process explains the variation in species over generations?
The process that explains the variation in species over generations is known as evolution. It is driven primarily by natural...
Added: 18 Jan 2000
Updated: 22 Nov 2025
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What is a reflex arc?
A reflex arc is a neural pathway that controls a reflex action. It typically involves a sensory neuron that transmits...
Added: 18 Jan 2000
Updated: 23 Nov 2025
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