Why is conservation of resources essential ?List out three methods of soil conservation?
Answers
Answer:
Explanation:
Conservation of resources is essential because some resources like minerals are non renewable and need conservation for future generations. Conservation is a judicious and careful management of resources by man as improper and overuse can deplete them leading to many ecological problems.
Three methods of soil conservation are:
(i) Terrace farming : Cutting of hilly areas into steps to reduce the flow of running water.
(ii) Strip cropping : Growing of crops in long strips.
(iii) Planting of shelter belts : Shrubs and trees are planted along fields to control the force of wind.
Explanation:
Glacial acetic acid lyses the red cells. Gentian violet slightly stains the nuclei of the leucocytes. The blood specimen is diluted 1:20 in a WBC pipette with the diluting fluid and the cells are counted under low power of the microscope by using a counting chamber.