Question

i)How can you say that soil has evolved over millions of years?
ii)Name one important constituent of soil that adds fertility to the soil.​

Answer 1

Answer:

1)Soil Changes with Age - As a soil ages, it gradually starts to look different from its parent material. That's because soil is dynamic. Its components—minerals, water, air, organic matter, and organisms—constantly change. ... They are climate, organisms, relief (landscape), parent material, and time--or CLORPT, for short.

2)Nitrogen (N), phosphorus (P), and potassium (K) are the 3 most important soil nutrients required for plant growth.

Explanation:

Answer 2

Answer:

Soil Changes with Age - As a soil ages, it gradually starts to look different from its parent material. That's because soil is dynamic. Its components—minerals, water, air, organic matter, and organisms—constantly change.

Explanation:

Nitrogen (N), phosphorus (P), and potassium (K) are the 3 most important soil nutrients required for plant growth.