Question

how to conserve soil​

Answer 1

• Soil conservation methods:-

• Afforestation.

• Checking Overgrazing.

• Constructing Dams.

• Changing Agricultural Practices.

• Crop Rotation.

• Strip Cropping.

• Use of Early Maturing Varieties.

• Contour Ploughing.

Answer 2

Explanation:

undertake regular energy audits.

filter oil in stages

pre heat the oil

incomplete combustion leads to wastage of fuel