Question

G. Give reasons for the following:

1. Humus is important for the soil.

2. We should look after the soil.

3. Sandy soil is well-aerated.

4. Air is an important part of soil.​

Answer 1

Answer:

1. Humus is important for the soil.

as it maintains soil fertility and is important for plants growth .

2. We should look after the soil.

so that we will be able to know which soil is suitable for that particular crop to grow better

4. Air is an important part of soil.

as air contains certain gases needed for plants growth .

Answer 2

Humus is important for the soil because it provide fertility to the soil and help to increase in the amount to microorganisms in soil which make the soil fertil

It also contains some health nutrients and mineral