What is the name of all the material we don´t use anymore?
Waste
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
.... is to decrease the amount of use of any source, material, degree, importance, or prize.
Reduce
.... is to give any material of product a new opportunity to use it.
Reuse
It is a chemical harmful product used to **** unwanted organisms like, harmful insects, small animals, or wild plants.
Pesticide
This type of material decays naturally in a way that is not harmful.
Biodegradable material
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
A mixture of smoke, gases, and chemicals, especially in cities, that makes the atmosphere difficult to breathe and harmful for health.
Smog
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
