Science — English

What phenomenon explains why a pencil appears bent when placed in water?
The phenomenon that explains why a pencil appears bent when placed in water is called refraction. This optical effect occurs...
Added: 13 Apr 2000
Updated: 01 Nov 2025
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What is the most abundant lipid in cell membranes?
The most abundant lipid in cell membranes is phospholipids. These molecules form a bilayer that serves as the structural foundation...
Added: 13 Apr 2000
Updated: 21 Nov 2025
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What is the function of the integumentary system in humans?
The function of the integumentary system in humans is to provide a protective barrier for the body. It includes the...
Added: 13 Apr 2000
Updated: 13 Nov 2025
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What term describes an interaction in which one organism benefits and the other is harmed?
The term that describes an interaction in which one organism benefits and the other is harmed is parasitism. This ecological...
Added: 13 Apr 2000
Updated: 26 Nov 2025
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What is the primary storage form of energy in the body?
The primary storage form of energy in the body is in the form of glucose. Glucose is a simple sugar...
Added: 13 Apr 2000
Updated: 20 Nov 2025
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Which device is used to separate substances in a mixture based on density?
The device used to separate substances in a mixture based on density is called a centrifuge. A centrifuge uses rapid...
Added: 13 Apr 2000
Updated: 07 Nov 2025
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Which branch of physics deals with the motion of objects?
The branch of physics that deals with the motion of objects is known as kinematics. Kinematics focuses on the description...
Added: 13 Apr 2000
Updated: 08 Nov 2025
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What is the name of the belt of asteroids located between Mars and Jupiter?
The name of the belt of asteroids located between Mars and Jupiter is the Asteroid Belt. This region contains a...
Added: 13 Apr 2000
Updated: 01 Dec 2025
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What is the main role of the Golgi apparatus in a cell?
The main role of the Golgi apparatus in a cell is to modify, sort, and package proteins and lipids for...
Added: 13 Apr 2000
Updated: 12 Nov 2025
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What is the name given to the study of human anatomy in relation to other organisms?
The study of human anatomy in relation to other organisms is known as comparative anatomy. This field explores the similarities...
Added: 13 Apr 2000
Updated: 14 Nov 2025
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What is the term for organisms that thrive in extreme environments?
The term for organisms that thrive in extreme environments is extremophiles. These unique organisms can survive and even flourish under...
Added: 13 Apr 2000
Updated: 16 Nov 2025
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What natural phenomenon is caused by the interaction of the Earth's magnetic field with solar winds?
The natural phenomenon caused by the interaction of the Earth's magnetic field with solar winds is called the aurora, commonly...
Added: 13 Apr 2000
Updated: 22 Nov 2025
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What element is crucial for the formation of proteins?
The element crucial for the formation of proteins is nitrogen. Nitrogen is a key component of amino acids, the building...
Added: 13 Apr 2000
Updated: 09 Nov 2025
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Which process recycles and reuses nutrients in ecosystems?
The process that recycles and reuses nutrients in ecosystems is known as nutrient cycling. This process involves the transfer of...
Added: 13 Apr 2000
Updated: 19 Nov 2025
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What is the name of the layer of earth's atmosphere where weather occurs?
The name of the layer of Earth's atmosphere where weather occurs is called the troposphere. This layer extends from the...
Added: 13 Apr 2000
Updated: 02 Nov 2025
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What type of electromagnetic radiation is used in night vision technology?
The type of electromagnetic radiation used in night vision technology is primarily infrared radiation. Night vision devices detect this radiation,...
Added: 13 Apr 2000
Updated: 04 Nov 2025
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What scientific field focuses on the physical and chemical properties of matter?
The scientific field that focuses on the physical and chemical properties of matter is called chemistry. Chemistry explores the composition,...
Added: 13 Apr 2000
Updated: 24 Nov 2025
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What is the primary drawback of fossil fuels in terms of climate change?
The primary drawback of fossil fuels in terms of climate change is their contribution to the increase of greenhouse gases...
Added: 13 Apr 2000
Updated: 24 Nov 2025
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What is the name of the process by which an organism becomes better suited to its habitat?
The name of the process by which an organism becomes better suited to its habitat is called adaptation. Adaptation occurs...
Added: 13 Apr 2000
Updated: 27 Nov 2025
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Which scientist is known for discovering the structure of DNA?
The scientist known for discovering the structure of DNA is James Watson, along with Francis Crick. In 1953, they published...
Added: 13 Apr 2000
Updated: 02 Nov 2025
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