It is nonliving plant or animal matter
Layers formed soil
It shows each horizon that has a different amont of rock and humus
The layer of soil at the surface
The layer of soil at the surface down the topsoil
The spaces between particles of soil
Material that hold air and water
It is describes how fast water passes through a porous material
Materials that have been moved from their places by water , wind, ice , gravity or human activity
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома