Environmental Pollution - Causes, Effects and Control Measures
Northern lights
Exploring four Wonders of the World
Air Control Equipment
Unit 4 Chemistry notes
Helium Leak Testing
POLLUTION. DEFINITION Pollution is the effect of undesirable changes in our surroundings that have harmful effects on plants animals and human beings.
WHAT IS LIGHT? Form of energy (first basic principle of light) that you can see Radiates (spreads out) in all directions Light travels in a straight line.
ENVIRONMENTAL POLLUTION By Mr.C.R.Girish, Dept of Chemical Engg, MIT.
Liquid State Liquid is one of the four fundamental states of matter and is the only state with a definite volume but no fixed shape. A liquid is made up.
Chemistry Physical
POLLUTION
