Answer:
Explanation:
The biological or chemical change in the quality of water due to the presence of contaminants in water is called water pollution. Most of this contamination as on date is due to various human activities. In fact, humans are responsible for the mass deaths of whales and other aquatic organisms often swept ashore at different beaches in the world. There is an urgent need to look into the measures to control water pollution although a lot many efforts and schemes have already been announced by the Government in this regard. To make the students aware of this we have prepared short and long essays for students which shall inform them about water pollution and the means to minimise it.
Answer:
If the animal shows it often like a color change or a slightly bigger or smaller body part
Explanation:
Answer:
Modern method of irrigation is Sprinkling, Subirrigation,intrasoil and salt leaching are the principal purposes of surface irrigation
The types are Blackwater, Graywater and Yellow water.
You can find two types of wastewater: household sewage and wastewater
microbes made beverage and food go bad
