Science — English

What is the measurement of the angle of incidence equivalent to in reflection?
The angle of incidence in reflection is equivalent to the angle of reflection. This principle is based on the law...
Added: 07 Feb 2000
Updated: 25 Nov 2025
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What is the primary responsibility of the International Space Station?
The primary responsibility of the International Space Station (ISS) is to serve as a unique microgravity and research platform for...
Added: 07 Feb 2000
Updated: 02 Nov 2025
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What property describes how much matter is in a given volume?
The property that describes how much matter is in a given volume is known as density. Density is calculated as...
Added: 07 Feb 2000
Updated: 24 Nov 2025
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What is the significance of pH levels in biological systems?
The significance of pH levels in biological systems lies in their influence on biochemical reactions and overall organism health. Different...
Added: 07 Feb 2000
Updated: 07 Nov 2025
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What is the unit of measurement for pressure in the SI system?
The unit of measurement for pressure in the SI system is called a pascal, abbreviated as Pa. One pascal is...
Added: 07 Feb 2000
Updated: 14 Nov 2025
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What is the name of the subatomic particle with a negative charge?
The name of the subatomic particle with a negative charge is called an electron. Electrons orbit the nucleus of an...
Added: 07 Feb 2000
Updated: 03 Nov 2025
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What is the common characteristic of all fungi?
A common characteristic of all fungi is their mode of nutrition; they are heterotrophic and obtain nutrients through external digestion....
Added: 07 Feb 2000
Updated: 11 Nov 2025
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What is the principle of homeostasis in biology?
The principle of homeostasis in biology refers to the ability of living organisms to maintain stable internal conditions despite changes...
Added: 07 Feb 2000
Updated: 14 Nov 2025
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What is the term for a group of organisms of the same species living in a particular area?
The term for a group of organisms of the same species living in a particular area is known as a...
Added: 07 Feb 2000
Updated: 25 Nov 2025
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What is the relationship between environmental factors and gene expression?
The relationship between environmental factors and gene expression is crucial in understanding how organisms adapt to their surroundings. Environmental factors...
Added: 07 Feb 2000
Updated: 20 Nov 2025
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What is the main source of energy for the Earth's climate system?
The main source of energy for the Earth's climate system is the sun. Solar energy drives various processes such as...
Added: 07 Feb 2000
Updated: 24 Nov 2025
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What structure in the plant absorbs sunlight for photosynthesis?
The structure in the plant that absorbs sunlight for photosynthesis is called a chloroplast. Chloroplasts contain chlorophyll, the pigment that...
Added: 07 Feb 2000
Updated: 09 Nov 2025
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What is the primary unit of heredity?
The primary unit of heredity is known as a gene. Genes are segments of DNA that contain the instructions for...
Added: 07 Feb 2000
Updated: 23 Nov 2025
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What is the significance of studying ancient DNA?
The significance of studying ancient DNA lies in its ability to provide insights into the genetic history of extinct species...
Added: 07 Feb 2000
Updated: 26 Nov 2025
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What is the function of hemoglobin in the body?
The function of hemoglobin in the body is to transport oxygen from the lungs to tissues and organs. Hemoglobin, a...
Added: 07 Feb 2000
Updated: 17 Nov 2025
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What is the common name for an infection caused by bacteria?
The common name for an infection caused by bacteria is called a bacterial infection. Such infections can affect various parts...
Added: 07 Feb 2000
Updated: 17 Nov 2025
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What is the primary symptom of an allergic reaction?
The primary symptom of an allergic reaction is usually itching. Other common symptoms can include hives, swelling, and respiratory issues....
Added: 07 Feb 2000
Updated: 05 Nov 2025
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What is the term for the stretch of an ecosystem over time?
The term for the stretch of an ecosystem over time is known as ecological succession. This process involves the gradual...
Added: 07 Feb 2000
Updated: 01 Dec 2025
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What is the measure of acidity or alkalinity?
The measure of acidity or alkalinity is called pH. This logarithmic scale ranges from 0 to 14, with 7 being...
Added: 07 Feb 2000
Updated: 17 Nov 2025
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What is the impact of invasive species on local biodiversity?
The impact of invasive species on local biodiversity can be profoundly negative. Invasive species often outcompete native species for resources...
Added: 07 Feb 2000
Updated: 25 Nov 2025
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