Science — English

What term describes the amount of space an object occupies?
The term that describes the amount of space an object occupies is volume. Volume is a measurement of three-dimensional space...
Added: 12 Apr 2000
Updated: 16 Nov 2025
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Which branch of science focuses on the study of matter and energy?
The branch of science that focuses on the study of matter and energy is known as physics. Physics seeks to...
Added: 12 Apr 2000
Updated: 25 Nov 2025
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What type of symmetry is characteristic of jellyfish?
Jellyfish exhibit radial symmetry, meaning their body can be divided into similar halves around a central axis. This type of...
Added: 12 Apr 2000
Updated: 29 Nov 2025
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What is the main function of the nervous system in animals?
The main function of the nervous system in animals is to transmit signals throughout the body, allowing for communication between...
Added: 12 Apr 2000
Updated: 30 Nov 2025
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What part of the brain is responsible for regulating heart rate and breathing?
The part of the brain responsible for regulating heart rate and breathing is the medulla oblongata. This structure, located in...
Added: 12 Apr 2000
Updated: 16 Nov 2025
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What is the term used for a substance that speeds up a chemical reaction?
The term used for a substance that speeds up a chemical reaction is catalyst. Catalysts lower the activation energy required...
Added: 12 Apr 2000
Updated: 25 Nov 2025
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What is the name of the supercontinent that existed around 300 million years ago?
The name of the supercontinent that existed around 300 million years ago is Pangaea. This massive landmass was formed through...
Added: 12 Apr 2000
Updated: 08 Nov 2025
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What phenomenon causes the tides in Earth's oceans?
The phenomenon that causes the tides in Earth's oceans is primarily due to the gravitational pull of the Moon and...
Added: 12 Apr 2000
Updated: 13 Nov 2025
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Which law of motion states that an object in motion stays in motion?
The law of motion that states that an object in motion stays in motion is known as Newton's First Law...
Added: 12 Apr 2000
Updated: 23 Nov 2025
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Which particle is often described as a fundamental building block of matter?
The particle often described as a fundamental building block of matter is an atom. Atoms consist of a nucleus containing...
Added: 12 Apr 2000
Updated: 19 Nov 2025
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What is the primary function of mitochondria in eukaryotic cells?
The primary function of mitochondria in eukaryotic cells is to produce ATP (adenosine triphosphate) through the process of cellular respiration....
Added: 12 Apr 2000
Updated: 03 Nov 2025
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What is the primary factor that regulates climate?
The primary factor that regulates climate is solar radiation. The amount and distribution of sunlight reaching Earth's surface influence temperature,...
Added: 12 Apr 2000
Updated: 28 Nov 2025
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What is the relationship between viral mutations and disease emergence?
The relationship between viral mutations and disease emergence is significant as mutations can lead to the development of new viral...
Added: 12 Apr 2000
Updated: 30 Nov 2025
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What is the primary effect of pollution on marine ecosystems?
The primary effect of pollution on marine ecosystems is the degradation of habitat and biodiversity. Pollutants such as plastics, heavy...
Added: 12 Apr 2000
Updated: 01 Nov 2025
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What is the main function of the outer membrane of a cell?
The main function of the outer membrane of a cell is to provide a protective barrier while regulating the entry...
Added: 12 Apr 2000
Updated: 03 Nov 2025
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What is the primary source of nutrients for plants?
The primary source of nutrients for plants is soil, which provides essential minerals, organic matter, and water. Through the process...
Added: 12 Apr 2000
Updated: 23 Nov 2025
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What is the term for the movement of water molecules across a semi-permeable membrane?
The term for the movement of water molecules across a semi-permeable membrane is osmosis. This process allows water to move...
Added: 12 Apr 2000
Updated: 26 Nov 2025
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What is the significance of the carrying capacity in ecology?
The significance of the carrying capacity in ecology is that it defines the maximum number of individuals of a species...
Added: 12 Apr 2000
Updated: 28 Nov 2025
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What is the primary mechanism of plant growth and development?
The primary mechanism of plant growth and development is photosynthesis, along with hormonal regulation. Through photosynthesis, plants convert light energy,...
Added: 12 Apr 2000
Updated: 19 Nov 2025
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What is the main factor that drives evolutionary changes in species?
The main factor that drives evolutionary changes in species is natural selection. This process occurs when individuals with advantageous traits...
Added: 12 Apr 2000
Updated: 19 Nov 2025
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