Define the terms pollution and pollutant.
Answers
What is pollution?
Any undesirable change in physical, chemical or biological characteristic of air, water or land which is harmful to us in either direct or indirect way through his animals, plants, industrial units or raw materials is called pollution.
Some points on pollution:-
1. Pollution is responsible for many serious health disease.
2. According to a report by WHO in our country, death cases due to the air pollution is 5 lakhs.
3. Today is diwali so we should care about our environment as well so we must have to burn crackers in limited amount.
Answer:
2x2 - 6x +3; -3x -x-4: 1+ 2x - 3x? add the following algebraic expression using both horizontal method and vertical method. did you get the same answer2x2 - 6x +3; -3x -x-4: 1+ 2x - 3x? add the following algebraic expression using both horizontal method and vertical method. did you get the same answer