carbon
Prononciation : [/ˈkɑɹ.bən/]
Mot
Contexte : « chemistry »
(noun) a chemical element that is a basic building block of many things. It can be found in coal, diamonds, and even in the air we breathe.
Exemple
Diamonds are made up of carbon atoms.
Exemple
There is no carbon in pure gold.
Exemple
Where can we find carbon in our everyday environment?
Contexte : « pollution »
(noun) a black substance produced when things like coal, oil, or gas are burned. It can cause harm to the environment and is a major contributor to air pollution.
Exemple
Reducing the use of fossil fuels can help decrease carbon emissions.
Exemple
Burning fossil fuels releases excessive carbon into the atmosphere.
Exemple
Why is it important to control carbon emissions?
Contexte : « materials »
(noun) a material used in everyday items like pencils, shoes, and car tires. It is known for its strength and durability.
Exemple
The bicycle frame was made of lightweight carbon fiber.
Exemple
This plastic chair is not made of carbon.
Exemple
What properties make carbon a desirable material for certain products?
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