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properties of materials that can be useful or not
useful or harmful
SCIENCE
The name of Polyethene is actually Polyethylene. A tough, light flexible synthetic resin made by pol...
An educative write up to educate young learners on how pollution can be reduced in our society...
This is in continuation to Useful and harmful Bacterias
Science 5 Grade 5 Quarter 1 week 2 Identify waste materials
About hygiene and mediacl
TRIZ is one of the problem solving techniques for finding solution to some unknown problems in engin...
What is a Mobile phone? History and Evolution of Mobile Main Source Of Using Mobile Phone Effects of...
POWERPOINT DISCUSSION ABOUT USEFUL AND HARFUL MATERIALS IN THE HOME
which are the main sources of waste
SCIENCE 4 WK 3 MATATAG powerpoint powerpoint presentation
Algae are simple, photosynthetic organisms found in various habitats. They have numerous beneficial...
A presentation on Air and Water pollution.
SCIENCE LECTURES
solid waste and e-waste
Presentation on environmental biotechnology and sustainable development. The ppt contains the introd...
Pyrolysis presentation for nanotechnology in environmental science pptx
MSC 1st semester
Chartered Engineer Certificate is required at the time of importing any materials and goods from any...
recycling
Environmental issues; air pollution and water pollution; causes, effects and solutions
![environmental_biotechnology_and_sustainable_development_ppt[1].pptx](https://slidepub.com/thumb/3883/282813883.jpg)
