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Dust particles are tiny particles of solid material.
Smoke is a colloid because it consists of tiny solid particles suspended in a gas (air).
That would be a suspension. In a suspension, the solid particles are large enough to settle over time if left undisturbed. An example of a suspension is muddy water.
Dust and soot. "Dust" are fine particles of rock that can be caused by weathering, wind, or meteors burning up in the atmosphere. "Soot" is partially-burned hydrocarbons that result from burning something organic, like wood, coal or oil.
tiny particles
Particulate Matter
Yes, that is correct. There are tiny suspended particles in the atmosphere. There is usually some dust, but if there is smoke in the air, the amount of such particles can increase a lot.
The tiny solid particles in the atmosphere are called particulate matter or aerosols. These particles can be natural (like dust or pollen) or man-made (like smoke or industrial emissions) and can impact air quality and visibility.
Tiny solid and liquid particles suspended in the atmosphere are called aerosols. These particles can come from various sources such as industrial activities, dust, volcanic eruptions, and wildfires, and can affect air quality and climate.
Dust particles are tiny particles of solid material.
Solid particles in gas are called aerosols. These are tiny solid or liquid particles suspended in a gas, such as dust, smoke, or mist.
aerosols. These particles can come from natural sources like dust and volcanic ash, as well as human activities like industrial processes and vehicle emissions. Aerosols play a role in climate change by influencing cloud formation and reflecting or absorbing sunlight.
Dust particles
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The tiny particles in a solid are closest together, followed by those in a liquid, and then those in a gas. In a solid, the particles are tightly packed and have little space to move, while in a liquid, particles are more spread out but still close together. In a gas, particles are farthest apart and have more freedom of movement.
Some examples of solid particles in the atmosphere include dust, pollen, volcanic ash, soot, and salt particles. These particles can have various origins like natural sources (dust, pollen) or human activities (soot, salt particles from road salting).