Question

Healthy soil is the foundation of the ……. System.​

Answer 1

Answer:

It produces healthy crops that in turn produce healthy foods and healthy livestock, “Healthy soils, healthy plants, healthy livestock”.

Explanation:

Hope it will help you

Answer 2

expression for the electric field due to uniformly charged spherical shell of radius r at a point outside the shell .draw q graph showing the variation of electric field with r,for r>R and r<R.