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IC8 Science 4° C
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A gradual increase in world temperatures caused by gases such as carbon dioxide that are collecting in the air around the earth and stopping heat escaping into space.
Global warming
A mixture of smoke, gases, and chemicals, especially in cities, that makes the atmosphere difficult to breathe and harmful for health.
Smog
A natural or chemical substance spread on land or different kind of plants to make it grow well.
Fertilizer
A .... is a poisunous product for living organisms.
toxic
This type of material decays naturally in a way that is not harmful.
Biodegradable material
It is a chemical harmful product used to **** unwanted organisms like, harmful insects, small animals, or wild plants.
Pesticide
.... is to give any material of product a new opportunity to use it.
Reuse
.... is to decrease the amount of use of any source, material, degree, importance, or prize.
Reduce
.... is the action of collecting all type of materials depending on its kind to produce a new different material.
Recycle
What does 3R's mean?
Reuse, reduce, recycle
What is the name of all the material we don´t use anymore?
Waste
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