Changes
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'''Smoke''' is a [[cloud]] of very small, solid particles that is made when something is [[burn]]ed with a [[flame]], such as wood or paper.
Smoke can be bad because if it goes into the [[lung]]s of a person, it can hurt their lungs or even kill them (for example, in a house [[fire]]). Most people think that they are always able to see smoke, but people cannot see some types of smoke: they are [[wikt:invisible|invisible]].
== Smoke from tobacco ==
When people smoke [[tobacco]] in [[cigar]]s or [[cigarette]]s, they are burning the tobacco and inhaling the smoke. Tobacco smoke can hurt the mouth, throat, and lungs. It can cause mouth, throat, or [[lung cancer]]. It can also cause [[emphysema]] and [[bronchitis]] (trouble breathing).
== Smoke from factories ==
[[factory|Factories]] and [[power plant]]s produce large amounts of smoke into the atmosphere which [[pollution|pollutes]] the air. Eventually the toxic [[chemical]]s in smoke fall to the ground, and then they pollute the soil and the [[water pollution|water]]. When the air, soil and water are polluted with toxic chemicals, the chemicals also get absorbed by [[plant]]s and [[animal]]s (including [[human]]s).
== Smoke from Dry ice ==
When [[Carbon dioxide#Dry ice|Dry ice]] is put into water, it creates '''smoke''', also. Dry ice is used for theatrical needs, and for places that need illumination.
==Related pages==
* [[Pollution]]
{{science-stub}}
[[Category:Waste]]
Smoke can be bad because if it goes into the [[lung]]s of a person, it can hurt their lungs or even kill them (for example, in a house [[fire]]). Most people think that they are always able to see smoke, but people cannot see some types of smoke: they are [[wikt:invisible|invisible]].
== Smoke from tobacco ==
When people smoke [[tobacco]] in [[cigar]]s or [[cigarette]]s, they are burning the tobacco and inhaling the smoke. Tobacco smoke can hurt the mouth, throat, and lungs. It can cause mouth, throat, or [[lung cancer]]. It can also cause [[emphysema]] and [[bronchitis]] (trouble breathing).
== Smoke from factories ==
[[factory|Factories]] and [[power plant]]s produce large amounts of smoke into the atmosphere which [[pollution|pollutes]] the air. Eventually the toxic [[chemical]]s in smoke fall to the ground, and then they pollute the soil and the [[water pollution|water]]. When the air, soil and water are polluted with toxic chemicals, the chemicals also get absorbed by [[plant]]s and [[animal]]s (including [[human]]s).
== Smoke from Dry ice ==
When [[Carbon dioxide#Dry ice|Dry ice]] is put into water, it creates '''smoke''', also. Dry ice is used for theatrical needs, and for places that need illumination.
==Related pages==
* [[Pollution]]
{{science-stub}}
[[Category:Waste]]