Science — English

Which particle has no charge and is found in the nucleus of an atom?
A particle that has no charge and resides in the nucleus of an atom is called a neutron. Neutrons, along...
Added: 14 Feb 2000
Updated: 24 Nov 2025
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What is the importance of the global food web?
The importance of the global food web lies in its representation of the complex interconnections between different species within an...
Added: 14 Feb 2000
Updated: 22 Nov 2025
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What is the unit of measurement for frequency in the SI system?
The unit of measurement for frequency in the SI system is the hertz (Hz). It represents one cycle per second...
Added: 14 Feb 2000
Updated: 26 Nov 2025
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What are the principles of thermodynamics?
The principles of thermodynamics describe the relationships between heat, work, temperature, and energy in physical systems. The four laws of...
Added: 14 Feb 2000
Updated: 22 Nov 2025
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What do we call the change in an object’s velocity over time?
The change in an object’s velocity over time is called acceleration. Acceleration is defined as the rate of change of...
Added: 14 Feb 2000
Updated: 16 Nov 2025
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What is the primary structure involved in gas exchange in the lungs?
The primary structure involved in gas exchange in the lungs is the alveoli. These small, sac-like structures are the functional...
Added: 14 Feb 2000
Updated: 24 Nov 2025
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What is the loop of Henle's function in the kidney?
The loop of Henle's function in the kidney is to concentrate urine and conserve water. It consists of a descending...
Added: 14 Feb 2000
Updated: 24 Nov 2025
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What is the mathematical relationship between the force, mass, and acceleration called?
The mathematical relationship between force, mass, and acceleration is expressed by Newton's second law of motion, formulated as F =...
Added: 14 Feb 2000
Updated: 01 Dec 2025
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What is the process that plants undergo to absorb carbon dioxide called?
The process that plants undergo to absorb carbon dioxide is known as photosynthesis. This process occurs primarily in the leaves,...
Added: 14 Feb 2000
Updated: 17 Nov 2025
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What is the scientific method used for in biology?
The scientific method in biology is used for systematic inquiry into natural phenomena and testing hypotheses. It involves several steps:...
Added: 14 Feb 2000
Updated: 29 Nov 2025
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Which force keeps the planets in orbit around the sun?
The force that keeps the planets in orbit around the sun is known as gravitational force, a fundamental force of...
Added: 14 Feb 2000
Updated: 01 Nov 2025
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What is the term for the technique used to amplify DNA?
The term for the technique used to amplify DNA is called polymerase chain reaction (PCR). PCR is a widely used...
Added: 14 Feb 2000
Updated: 08 Nov 2025
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What is our understanding of how vaccines work?
Our understanding of how vaccines work is based on their ability to stimulate the body's immune response without causing disease....
Added: 14 Feb 2000
Updated: 15 Nov 2025
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What is the term for a pure substance that cannot be broken down into simpler substances?
The term for a pure substance that cannot be broken down into simpler substances is an element. Elements are the...
Added: 14 Feb 2000
Updated: 07 Nov 2025
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What is the biological significance of trait inheritance?
The biological significance of trait inheritance lies in the transmission of genetic information from parents to offspring, influencing the phenotypic...
Added: 14 Feb 2000
Updated: 01 Nov 2025
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What phase changes occur during the water cycle?
The phase changes that occur during the water cycle include evaporation, condensation, and precipitation. Initially, water from oceans, lakes, and...
Added: 14 Feb 2000
Updated: 30 Nov 2025
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What type of scientific data involves numeric values?
The type of scientific data that involves numeric values is referred to as quantitative data. This type of data is...
Added: 14 Feb 2000
Updated: 22 Nov 2025
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What term describes the ease with which a substance transforms into a gas?
The term that describes the ease with which a substance transforms into a gas is volatility. Volatility is influenced by...
Added: 14 Feb 2000
Updated: 10 Nov 2025
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What is the function of enzymes in biological processes?
The function of enzymes in biological processes is to act as catalysts, speeding up reactions by lowering the activation energy...
Added: 14 Feb 2000
Updated: 13 Nov 2025
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What is the role of the thyroid gland in metabolism?
The role of the thyroid gland in metabolism is crucial as it secretes hormones such as thyroxine (T4) and triiodothyronine...
Added: 13 Feb 2000
Updated: 16 Nov 2025
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