ANSWER ASAP 50 POINTS
Which of the following distinguishes the soil composition of grassland?
1. The soil supports large trees with thick, long roots, so Horizon B needs to be deep enough to sustain larger flora.
2. The soil supports large trees with thick, long roots, so Horizon A needs to be deep enough to sustain larger flora.
3. The soil supports small plants and shrubs with short roots, so Horizon A needs to be deep enough to sustain smaller flora.
4. The soil supports small plants and shrubs with short roots, so Horizon B needs to be deep enough to sustain smaller flora.