plz solve these answers

Answers
Answer:
khadar is the lower part of flood plain that get renewed every year n is very suitable n fertile for agriculture while bhangar us not renewed every year n is not suitable for farming
Explanation:
2. In arid regions, wind commonly blows with high speed, thus there is a great chance of soil erosion by wind
3. different regions in india has different land forms like hill, desert, mountain, plain thus there is a great variation of rocks, vegetation, humus , microbes which affect the formation of soil and thus we have different typs of soil
4. black soil is very fertile as well as well drained and retention capacity as well as well quantity of nutrients like calcium, magnesium thus, it is suitable for cotton
5. soil is the natural resources viz getting destroyed day by day n we need soil very much as it is the most important factor for agriculture viz for our food, our economy also depends on soil thus it needs to be conservee