.... is to give any material of product a new opportunity to use it.
Reuse
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 .... is a poisunous product for living organisms.
toxic
A natural or chemical substance spread on land or different kind of plants to make it grow well.
Fertilizer
.... is to decrease the amount of use of any source, material, degree, importance, or prize.
Reduce
What is the name of all the material we don´t use anymore?
Waste
This type of material decays naturally in a way that is not harmful.
Biodegradable material
What does 3R's mean?
Reuse, reduce, recycle
.... is the action of collecting all type of materials depending on its kind to produce a new different material.
Recycle
A mixture of smoke, gases, and chemicals, especially in cities, that makes the atmosphere difficult to breathe and harmful for health.
Smog
It is a chemical harmful product used to **** unwanted organisms like, harmful insects, small animals, or wild plants.
Pesticide
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