Topsoil is the most fertile soil layer for plants.
Because they will grow really long if you don't
Planting the same crop in the same place each year zaps nutrients from the earth and leaves soil weak and unable to support healthy plant growth. Because soil structure and quality is so poor, farmers are forced to use chemical fertilizers to encourage plant growth and fruit production.
Answer:
Absorption of water from soil
Explanation:
That's what the roots do :)