The correct answer is: They lean towards the light
Some may assume that movement and locomotion are the same, but these two words have certain differences. Movement is known to be the time when a living organism will move from one place to another. Locomotion means that the movement that the living organism did has made changes to the current position of the organism.
The correct answer is option (a). Parent material
The soil horizon refers to distinct layers of the soils, which are parallel to one another, but have a different composition from the layer present above and below to it.
The soil horizon can be divided into four different layers. First one is organic layer, which is the topmost layer, below this layer second layer of topsoil is present. Below top soil, subsoil is present. Below subsoil, the bottom most horizon parent material is present.
The water goes down to the roots