Science — English

Which gas is a significant contributor to global warming?
The gas that is a significant contributor to global warming is carbon dioxide (CO2). Human activities, particularly the burning of...
Added: 05 Feb 2000
Updated: 01 Dec 2025
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What is the main factor influencing biodiversity in a region?
The main factor influencing biodiversity in a region is usually habitat diversity. The variety of habitats provides different environmental conditions...
Added: 05 Feb 2000
Updated: 15 Nov 2025
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What is the principle that explains how organisms adapt over generations?
The principle that explains how organisms adapt over generations is natural selection. This process, first described by Charles Darwin, occurs...
Added: 05 Feb 2000
Updated: 14 Nov 2025
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What is the name of the chemical reaction that occurs in all living cells to extract energy from glucose?
The name of the chemical reaction that occurs in all living cells to extract energy from glucose is cellular respiration....
Added: 05 Feb 2000
Updated: 25 Nov 2025
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What is the primary component of chloroplasts?
The primary component of chloroplasts is chlorophyll, a green pigment crucial for photosynthesis. Chlorophyll absorbs light energy, particularly from the...
Added: 05 Feb 2000
Updated: 19 Nov 2025
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Which organ is primarily responsible for filtering blood?
The organ primarily responsible for filtering blood is the kidney. The kidneys remove waste products, excess substances, and toxins from...
Added: 05 Feb 2000
Updated: 08 Nov 2025
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What is the role of decomposers in nutrient cycling?
The role of decomposers in nutrient cycling is crucial for breaking down organic matter, such as dead plants and animals,...
Added: 05 Feb 2000
Updated: 21 Nov 2025
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What is the primary element found in organic molecules?
The primary element found in organic molecules is carbon. Carbon's unique ability to form four covalent bonds allows it to...
Added: 05 Feb 2000
Updated: 08 Nov 2025
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What is the process called when a liquid changes to solid?
The process called when a liquid changes to a solid is freezing. This phase transition occurs when the temperature of...
Added: 05 Feb 2000
Updated: 23 Nov 2025
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What is the significance of studying mutualism in ecology?
The significance of studying mutualism in ecology lies in understanding the interactions between different species that benefit both parties. Mutualism...
Added: 05 Feb 2000
Updated: 10 Nov 2025
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What is the term for the transfer of heat through direct contact?
The term for the transfer of heat through direct contact is conduction. This process occurs when heat moves through a...
Added: 05 Feb 2000
Updated: 25 Nov 2025
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Which scientific principle explains why airplanes can fly?
The scientific principle that explains why airplanes can fly is Bernoulli's principle, which states that an increase in the speed...
Added: 05 Feb 2000
Updated: 06 Nov 2025
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What is the main role of the cell membrane in a cell?
The main role of the cell membrane in a cell is to regulate what enters and exits the cell, maintaining...
Added: 05 Feb 2000
Updated: 17 Nov 2025
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What type of plant is known for its ability to live in extreme environments?
The type of plant known for its ability to live in extreme environments is called a halophyte. These plants thrive...
Added: 05 Feb 2000
Updated: 24 Nov 2025
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What is the difference between an artery and a vein?
The difference between an artery and a vein lies primarily in their function and structure. Arteries carry oxygenated blood away...
Added: 05 Feb 2000
Updated: 11 Nov 2025
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What is the primary function of trophic levels in food chains?
The primary function of trophic levels in food chains is to describe the transfer of energy and nutrients through different...
Added: 05 Feb 2000
Updated: 09 Nov 2025
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What is the most common cause of antibiotic resistance in bacteria?
The most common cause of antibiotic resistance in bacteria is the overuse and misuse of antibiotics in both humans and...
Added: 05 Feb 2000
Updated: 01 Nov 2025
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What are the two types of bacteria based on their shape?
The two types of bacteria based on their shape are cocci and bacilli. Cocci are spherical, while bacilli are rod-shaped....
Added: 05 Feb 2000
Updated: 29 Nov 2025
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What is the impact of climate change on food security?
The impact of climate change on food security is substantial, as it influences crop yields through changing weather patterns, increased...
Added: 05 Feb 2000
Updated: 14 Nov 2025
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What type of force exists between two surfaces in contact?
The type of force that exists between two surfaces in contact is known as friction. Friction is a resistance force...
Added: 05 Feb 2000
Updated: 28 Nov 2025
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